Traxos, Scourge of Kroog

Trample
Traxos, Scourge of Kroog enters tapped and doesn't untap during your untap step.
Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)

Slimy Burrito Illusion

{TK}{TK} — Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)
{TK}{TK}{TK} — Double strike
{TK}{TK} — 2/4
{TK}{TK}{TK}{TK} — 5/6

Drumbellower

Flying
Untap all creatures you control during each other player's untap step.

Wild Ogre Bupkis

{TK}{TK} — Whenever this creature attacks, put a +1/+1 counter on it.
{TK}{TK}{TK} — Metalcraft — This permanent has protection from noncreature permanents as long as you control three or more artifacts.
{TK}{TK} — 5/1
{TK}{TK}{TK}{TK} — 7/4

Sergeant John Benton

Trample, haste
Share Intelligence — Whenever Sergeant John Benton deals combat damage to a player, you and that player each draw that many cards.

Dryad Arbor

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Barrenton Medic

{T}: Prevent the next 1 damage that would be dealt to any target this turn.
Put a -1/-1 counter on Barrenton Medic: Untap Barrenton Medic.

Scepter of Celebration

Equipped creature gets +2/+0 and has trample.
Whenever equipped creature deals combat damage to a player, create that many 1/1 green and white Citizen creature tokens.
Equip {3}

Zombie Cheese Magician

{TK}{TK} — First strike
{TK}{TK}{TK}{TK} — Whenever this creature deals combat damage to a player, draw that many cards.
{TK}{TK} — 3/3
{TK}{TK}{TK} — 6/2

Carnival Elephant Meteor

{TK}{TK} — Sacrifice this permanent: Draw two cards.
{TK}{TK}{TK} — Whenever this creature attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{TK}{TK} — 4/1
{TK}{TK}{TK}{TK}{TK} — 8/7

Hardened Scales

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

Pollenbright Wings

Enchant creature
Enchanted creature has flying.
Whenever enchanted creature deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

Brightling

{W}: Brightling gains vigilance until end of turn.
{W}: Brightling gains lifelink until end of turn.
{W}: Return Brightling to its owner's hand.
{1}: Brightling gets +1/-1 or -1/+1 until end of turn.

Tusk and Whiskers

Whenever you put an ability sticker on a creature, put a +1/+1 counter on that creature.
{2}{G}{W}, {T}: You get {TK}. You may put a sticker on a nonland permanent you own.

Wrinkly Monkey Shenanigans

{TK}{TK} — {1}: Target creature can't block this creature this turn.
{TK}{TK}{TK}{TK} — Morbid — At the beginning of each end step, if a creature died this turn and this permanent is a creature, put a -1/-1 counter on this permanent and draw a card.
{TK}{TK} — 2/4
{TK}{TK}{TK} — 7/2

Cool Fluffy Loxodon

{TK}{TK} — When this permanent leaves the battlefield, draw a card.
{TK}{TK}{TK}{TK}{TK} — Whenever a creature enters under your control, this permanent becomes a 13/13 Eldrazi creature in addition to its other types until end of turn.
{TK}{TK} — 4/2
{TK}{TK}{TK}{TK} — 5/6

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Trendy Circus Pirate

{TK}{TK} — Deathtouch
{TK}{TK}{TK}{TK}{TK} — Whenever this creature deals combat damage to a player, create that many 1/1 green Squirrel creature tokens.
{TK}{TK} — 5/1
{TK}{TK}{TK} — 3/6

Ornithopter of Paradise

Sekki, Seasons' Guide

Sekki, Seasons' Guide enters with eight +1/+1 counters on it.
If damage would be dealt to Sekki, prevent that damage, remove that many +1/+1 counters from Sekki, and create that many 1/1 colorless Spirit creature tokens.
Sacrifice eight Spirits: Return Sekki from your graveyard to the battlefield.

Phyrexian Walker

Shroofus Sproutsire

Trample
Whenever a Saproling you control deals combat damage to a player, create that many 1/1 green Saproling creature tokens.

Night Brushwagg Ringmaster

{TK}{TK} — Menace
{TK}{TK}{TK} — Persist (When this permanent dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
{TK}{TK} — 2/3
{TK}{TK}{TK}{TK}{TK}{TK} — 10/10

Eldrazi Guacamole Tightrope

{TK}{TK} — Haste
{TK}{TK}{TK}{TK}{TK} — You may cast this card from your graveyard by paying 2 life in addition to paying its other costs.
{TK}{TK} — 1/4
{TK}{TK}{TK} — 5/3

Conclave Mentor

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead.
When Conclave Mentor dies, you gain life equal to its power.

Phytotitan

When Phytotitan dies, return it to the battlefield tapped under its owner's control at the beginning of their next upkeep.

Werewolf Lightning Mage

{TK}{TK} — Landfall — Whenever a land enters under your control, put a +1/+1 counter on this permanent.
{TK}{TK}{TK}{TK} — Whenever a creature blocks this creature, that creature gets -4/-4 until end of turn.
{TK}{TK} — 4/1
{TK}{TK}{TK} — 3/5

Seeker of Skybreak

Phyrexian Midway Bamboozle

{TK}{TK} — Whenever this creature attacks, you get {TK}.
{TK}{TK}{TK} — Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
{TK}{TK} — 4/2
{TK}{TK}{TK}{TK}{TK} — 6/9

Stone-Seeder Hierophant

Landfall — Whenever a land you control enters, untap Stone-Seeder Hierophant.
{T}: Untap target land.

Wheel of Sun and Moon

Enchant player
If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.

Kami of Whispered Hopes

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead.
{T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power.

Nettle Sentinel

Nettle Sentinel doesn't untap during your untap step.
Whenever you cast a green spell, you may untap Nettle Sentinel.

Pristine Angel

Flying
As long as Pristine Angel is untapped, it has protection from artifacts and from each color.
Whenever you cast a spell, you may untap Pristine Angel.

Memnite

Ornithopter

Rampant Frogantua

Trample
Rampant Frogantua gets +10/+10 for each player who has lost the game.
Whenever Rampant Frogantua deals combat damage to a player, you may mill that many cards. Put any number of land cards from among them onto the battlefield tapped.

Prize Pig

Whenever you gain life, put that many ribbon counters on Prize Pig. Then if there are three or more ribbon counters on Prize Pig, remove those counters and untap it.
{T}: Add one mana of any color.

Scryb Ranger

Flash
Flying, protection from blue
Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Devoted Druid

{T}: Add {G}.
Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

Primal Elder Kitty

{TK}{TK} — {1}: This creature gets +1/-1 until end of turn.
{TK}{TK}{TK} — When this creature dies, you may put X +1/+1 counters on target creature, where X is this creature's power.
{TK}{TK} — 5/1
{TK}{TK}{TK}{TK} — 4/7

Ballynock Trapper

{T}: Tap target creature.
Whenever you cast a white spell, you may untap Ballynock Trapper.

Unassuming Gelatinous Serpent

{TK}{TK} — When this permanent dies, return target noncreature, nonland card from your graveyard to your hand.
{TK}{TK}{TK}{TK} — Whenever this creature deals combat damage to a player, that player mills twice that many cards.
{TK}{TK} — 2/3
{TK}{TK}{TK} — 7/2

Saber Ants

Whenever Saber Ants is dealt damage, you may create that many 1/1 green Insect creature tokens.

Molder Slug

At the beginning of each player's upkeep, that player sacrifices an artifact of their choice.

Tervigon

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.)
Trample
Spawn Termagants — Whenever Tervigon deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

Famished Paladin

Famished Paladin doesn't untap during your untap step.
Whenever you gain life, untap Famished Paladin.