Savage Packmate

Trample
Other creatures you control get +1/+0.
Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Child of the Pack

{2}{R}{G}: Create a 2/2 green Wolf creature token.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Child of the Pack // Savage Packmate

Kozilek's Predator

When this creature enters, create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Predatory Advantage

At the beginning of each opponent's end step, if that player didn't cast a creature spell this turn, create a 2/2 green Lizard creature token.

Kraven, Proud Predator

Vigilance
Top of the Food Chain — Kraven's power is equal to the greatest mana value among permanents you control.

Predatory Hunger

Enchant creature
Whenever an opponent casts a creature spell, put a +1/+1 counter on enchanted creature.

Predator Ooze

Indestructible (Damage and effects that say "destroy" don't destroy this creature.)
Whenever this creature attacks, put a +1/+1 counter on it.
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Predator's Rapport

Choose target creature you control. You gain life equal to that creature's power plus its toughness.

Lashwhip Predator

This spell costs {2} less to cast if your opponents control three or more creatures.
Reach

Child of Thorns

Sacrifice this creature: Target creature gets +1/+1 until end of turn.

Slith Predator

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

Predator's Howl

Create a 2/2 green Wolf creature token.
Morbid — Create three 2/2 green Wolf creature tokens instead if a creature died this turn.

Predatory Wurm

Vigilance (Attacking doesn't cause this creature to tap.)
This creature gets +2/+2 as long as you control a Garruk planeswalker.

Nightfall Predator

{R}, {T}: This creature fights target creature. (Each deals damage equal to its power to the other.)
At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Daybreak Ranger

{T}: This creature deals 2 damage to target creature with flying.
At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Daybreak Ranger // Nightfall Predator

Predator Dragon

Flying, haste
Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.)

Predator, Flagship

{2}: Target creature gains flying until end of turn.
{5}, {T}: Destroy target creature with flying.

Predatory Rampage

Creatures you control get +3/+3 until end of turn. Each creature your opponents control blocks this turn if able.

Predator's Strike

Target creature gets +3/+3 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Predatory Focus

You may have creatures you control assign their combat damage this turn as though they weren't blocked.

Sinuous Predator

This creature can't be blocked by more than one creature.

Kessig Prowler

Kessig Prowler // Sinuous Predator

Child of the Volcano

Trample
At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature. (You descended if a permanent card was put into your graveyard from anywhere.)

Valakut Predator

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Predatory Impetus

Enchant creature
Enchanted creature gets +3/+3, must be blocked if able, and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Kavu Predator

Trample
Whenever an opponent gains life, put that many +1/+1 counters on this creature.

Hidden Predators

When an opponent controls a creature with power 4 or greater, if this permanent is an enchantment, it becomes a 4/4 Beast creature.

Merciless Predator

At the beginning of each upkeep, if a player cast two or more spells last turn, transform this creature.

Reckless Waif

At the beginning of each upkeep, if no spells were cast last turn, transform this creature.

Reckless Waif // Merciless Predator

Lurking Predators

Whenever an opponent casts a spell, reveal the top card of your library. If it's a creature card, put it onto the battlefield. Otherwise, you may put that card on the bottom of your library.

Predatory Urge

Enchant creature
Enchanted creature has "{T}: This creature deals damage equal to its power to target creature. That creature deals damage equal to its power to this creature."