Whenever this creature attacks, it gets +1/+1 until end of turn for each Forest you control.

Whenever this creature attacks, each other creature you control gets +X/+X until end of turn, where X is this creature's power.

Riot (This creature enters with your choice of a +1/+1 counter or haste.)

Whenever this creature attacks, another target creature you control gets +X/+0 until end of turn, where X is this creature's power.

Whenever this creature attacks, if you control eight or more lands, creatures you control get +2/+2 until end of turn.

Whenever you attack, target creature you control gets +1/+0 until end of turn. If that creature is a token, it also gains deathtouch until end of turn.

Trample

Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.

Whenever another creature you control enters, this creature gets +2/+2 until end of turn.

Whenever this creature attacks or blocks, it gets +X/+X until end of turn, where X is the greatest power and/or toughness among other creatures you control.

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

Reach

Whenever a creature you control with power equal to its toughness attacks, it gains trample until end of turn.

Formidable — Whenever this creature attacks, if creatures you control have total power 8 or greater, creatures you control gain trample until end of turn.

Creature spells you cast with power 4 or greater cost less to cast.

Whenever Goreclaw attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.

Trample (This creature can deal excess combat damage to the player it's attacking.)

Whenever this creature attacks, another target creature you control gets +2/+2 and gains trample until end of turn.

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

This creature enters with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Whenever this creature attacks, target creature you control has base power and toughness 4/4 until end of turn.

Haste

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

Whenever this creature attacks, it gets +5/+0 until end of turn.

Whenever this creature attacks, it gets +1/+1 until end of turn.