Wild Beastmaster

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.

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 +1/+1 until end of turn for each Forest you control.

Whenever a token you control enters, put a +1/+1 counter on this creature.

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

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

Whenever this creature attacks or blocks, other Humans you control get +1/+1 until end of turn.