Unleash Fury

Double the power of target creature until end of turn.

Warstorm Surge

Whenever a creature you control enters, it deals damage equal to its power to any target.

Conifer Strider

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

Scytheclaw Raptor

Whenever a player casts a spell, if it's not their turn, Scytheclaw Raptor deals 4 damage to them.

Wilt

Destroy target artifact or enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

Harmonize

Renata, Called to the Hunt

Renata's power is equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)
Each other creature you control enters with an additional +1/+1 counter on it.

Ferocity of the Wilds

Attacking non-Human creatures you control get +1/+0 and have trample.

Giant Cindermaw

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Players can't gain life.

Sol Ring

Belligerent Yearling

Trample
Whenever another Dinosaur you control enters, you may have Belligerent Yearling's base power become equal to that creature's power until end of turn.

Zilortha, Strength Incarnate

Trample
Lethal damage dealt to creatures you control is determined by their power rather than their toughness.

Zendikar Incarnate

Zendikar Incarnate's power is equal to the number of lands you control.