Have

Experiment One

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Remove two +1/+1 counters from this creature: Regenerate it. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Infuse with Vitality

Until end of turn, target creature gains deathtouch and "When this creature dies, return it to the battlefield tapped under its owner's control."
You gain 2 life.

Don't Have

Balduvian Berserker

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
When this creature dies, it deals damage equal to its power to any target.

Serrated Scorpion

When this creature dies, it deals 2 damage to each opponent and you gain 2 life.

Getting

Fell Stinger

Deathtouch
Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, target player draws two cards and loses 2 life.

Diabolic Edict

Target player sacrifices a creature of their choice.

Carrion Feeder

This creature can't block.
Sacrifice a creature: Put a +1/+1 counter on this creature.

Marketwatch Phantom

Whenever another creature you control with power 2 or less enters, this creature gains flying until end of turn.

Ogre Marauder

Whenever this creature attacks, it gains "this creature can't be blocked" until end of turn unless defending player sacrifices a creature of their choice.

Mage Hunters' Onslaught

Destroy target creature or planeswalker.
Whenever a creature blocks this turn, its controller loses 1 life.

Akroan Hoplite

Whenever this creature attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control.

Ground Assault

Ground Assault deals damage to target creature equal to the number of lands you control.

Bone Splinters

As an additional cost to cast this spell, sacrifice a creature.
Destroy target creature.

Flametongue Yearling

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.)
This creature enters with a +1/+1 counter on it for each time it was kicked.
When this creature enters, it deals damage equal to its power to target creature.

Audacity

Enchant creature
Enchanted creature gets +2/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
When this Aura is put into a graveyard from the battlefield, draw a card.

Mighty Leap

Target creature gets +2/+2 and gains flying until end of turn.

Arrogant Poet

Whenever this creature attacks, you may pay 2 life. If you do, it gains flying until end of turn.

Petrify

Enchant artifact or creature
Enchanted permanent can't attack or block, and its activated abilities can't be activated.

Slimy Dualleech

At the beginning of combat on your turn, target creature you control with power 2 or less gets +1/+0 and gains deathtouch until end of turn.

Skarrgan Pit-Skulk

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Creatures with power less than this creature's power can't block it.

Fungal Fortitude

Flash
Enchant creature
Enchanted creature gets +2/+0.
When enchanted creature dies, return it to the battlefield tapped under its owner's control.

Infectious Horror

Whenever this creature attacks, each opponent loses 2 life.

Mortis Dogs

Whenever this creature attacks, it gets +2/+0 until end of turn.
When this creature dies, target player loses life equal to its power.

Arrogant Outlaw

When this creature enters, if an opponent lost life this turn, each opponent loses 2 life and you gain 2 life.

Ordeal of Thassa

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, draw two cards.

Savage Punch

Target creature you control fights target creature you don't control.
Ferocious — The creature you control gets +2/+2 until end of turn before it fights if you control a creature with power 4 or greater.

Guildsworn Prowler

Deathtouch
When this creature dies, if it wasn't blocking, draw a card.

Pyrrhic Blast

As an additional cost to cast this spell, sacrifice a creature.
Pyrrhic Blast deals damage equal to the sacrificed creature's power to any target. Draw a card.

Goblin Fireleaper

{1}{R}: This creature gets +1/+0 until end of turn.
When this creature dies, it deals damage equal to its power to target creature an opponent controls.

Wildsize

Target creature gets +2/+2 and gains trample until end of turn.
Draw a card.

Slith Firewalker

Haste
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Servant of the Scale

This creature enters with a +1/+1 counter on it.
When this creature dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on this creature.

Prey Upon

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Slith Predator

Trample
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Stolen Goodies

Distribute three +1/+1 counters among any number of target creatures you control.

Picnic Ruiner

Whenever this creature attacks while you control a creature with power 4 or greater, this creature gains double strike until end of turn.

Picnic Ruiner // Stolen Goodies

Savage Gorilla

{U}{B}, {T}, Sacrifice this creature: Target creature gets -3/-3 until end of turn. Draw a card.

Slith Strider

Whenever this creature becomes blocked, draw a card.
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.

Spare Supplies

This artifact enters tapped.
When this artifact enters, draw a card.
{2}, {T}, Sacrifice this artifact: Draw a card.

Loathsome Curator

Exploit (When this creature enters, you may sacrifice a creature.)
Menace
When this creature exploits a creature, destroy target creature you don't control with mana value 3 or less.

Library Larcenist

Whenever this creature attacks, draw a card.

Deflecting Palm

The next time a source of your choice would deal damage to you this turn, prevent that damage. If damage is prevented this way, Deflecting Palm deals that much damage to that source's controller.

Hissing Iguanar

Whenever another creature dies, you may have this creature deal 1 damage to target player or planeswalker.

Silverback Shaman

Trample
When this creature dies, draw a card.

Backlash

Tap target untapped creature. That creature deals damage equal to its power to its controller.

Search Party Captain

This spell costs {1} less to cast for each creature you attacked with this turn.
When this creature enters, draw a card.

Chart a Course

Draw two cards. Then discard a card unless you attacked this turn.

Monoskelion

This creature enters with a +1/+1 counter on it.
{1}, Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Remand

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.

Cartouche of Strength

Enchant creature you control
When this Aura enters, you may have enchanted creature fight target creature an opponent controls. (Each deals damage equal to its power to the other.)
Enchanted creature gets +1/+1 and has trample.

Grim Wanderer

Flash
Tragic Backstory — Cast this spell only if a creature died this turn.

Stitched Assistant

Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, scry 1, then draw a card. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

Arrester's Zeal

Target creature gets +2/+2 until end of turn.
Addendum — If you cast this spell during your main phase, that creature gains flying until end of turn.

Consume Strength

Target creature gets +2/+2 until end of turn. Another target creature gets -2/-2 until end of turn.

Parish-Blade Trainee

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)
When this creature dies, put its counters on target creature you control.

Viashino Bladescout

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, target creature gains first strike until end of turn.

Haazda Vigilante

Whenever this creature enters or attacks, put a +1/+1 counter on target creature you control with power 2 or less.

Intervention Pact

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.
At the beginning of your next upkeep, pay {1}{W}{W}. If you don't, you lose the game.

Unlucky Witness

When this creature dies, exile the top two cards of your library. Until your next end step, you may play one of those cards.

Blazing Crescendo

Target creature gets +3/+1 until end of turn.
Exile the top card of your library. Until the end of your next turn, you may play that card.

Take Up the Shield

Put a +1/+1 counter on target creature. It gains lifelink and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Ghirapur Guide

{2}{G}: Target creature you control can't be blocked by creatures with power 2 or less this turn.

Return to Action

Until end of turn, target creature gets +1/+0 and gains lifelink and "When this creature dies, return it to the battlefield tapped under its owner's control."

Warbriar Blessing

Enchant creature you control
When this Aura enters, enchanted creature fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)
Enchanted creature gets +0/+2.

Tragic Slip

Target creature gets -1/-1 until end of turn.
Morbid — That creature gets -13/-13 until end of turn instead if a creature died this turn.

Curious Obsession

Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."
At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice this Aura.

Star Pupil

This creature enters with a +1/+1 counter on it.
When this creature dies, put its counters on target creature you control.

Cacophony Scamp

Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
When this creature dies, it deals damage equal to its power to any target.

Briarhorn

Flash
When this creature enters, target creature gets +3/+3 until end of turn.
Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Grotag Night-Runner

Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn.

Go for Blood

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
Cycling {1} ({1}, Discard this card: Draw a card.)

Gatekeeper of Malakir

Kicker {B} (You may pay an additional {B} as you cast this spell.)
When this creature enters, if it was kicked, target player sacrifices a creature of their choice.

Bubble Snare

Kicker {2}{U} (You may pay an additional {2}{U} as you cast this spell.)
Enchant creature
When this Aura enters, if it was kicked, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Feral Invocation

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +2/+2.

Silumgar Butcher

Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, target creature gets -3/-3 until end of turn.

Desperate Lunge

Target creature gets +2/+2 and gains flying until end of turn. You gain 2 life.

Supernatural Stamina

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Ordeal of Heliod

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, you gain 10 life.

Audacious Thief

Whenever this creature attacks, you draw a card and you lose 1 life.

Burning-Tree Vandal

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever this creature attacks, you may discard a card. If you do, draw a card.

Iron Apprentice

This creature enters with a +1/+1 counter on it.
When this creature dies, if it had counters on it, put those counters on target creature you control.

Ordeal of Purphoros

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, it deals 3 damage to any target.

Reprieve

Return target spell to its owner's hand.
Draw a card.

{"ops":[{"insert":"2 player single deck game. Both players use the same library and graveyard.\n"}]}