Rebuke

Niblis of the Mist

Flying
When this creature enters, you may tap target creature.

Trollhide

Enchant creature
Enchanted creature gets +2/+2 and has "{1}{G}: Regenerate this creature." (The next time the creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Sacred Wolf

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Selfless Cathar

{1}{W}, Sacrifice this creature: Creatures you control get +1/+1 until end of turn.

Break of Day

Creatures you control get +1/+1 until end of turn.
Fateful hour — If you have 5 or less life, those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Ambush Viper

Runechanter's Pike

Equipped creature has first strike and gets +X/+0, where X is the number of instant and sorcery cards in your graveyard.
Equip {2}

Mentor of the Meek

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Forest

Avacynian Priest

Strangleroot Geist

Haste
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.)

Armored Warhorse

Briarpack Alpha

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, target creature gets +2/+2 until end of turn.

Lurking Crocodile

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Doomed Traveler

When this creature dies, create a 1/1 white Spirit creature token with flying.

Reclaim

Put target card from your graveyard on top of your library.

Krallenhorde Wantons

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

Grizzled Outcasts

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

Grizzled Outcasts // Krallenhorde Wantons

Hunger of the Howlpack

Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Siege Mastodon

Hollowhenge Spirit

Flash (You may cast this spell any time you could cast an instant.)
Flying
When this creature enters, remove target attacking or blocking creature from combat.