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Gruul Beastmaster
Creature — Human Shaman
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.
Rulings (6)
If Gruul Beastmaster’s power is negative as its triggered ability resolves, X is considered to be 0. In other words, that ability can’t cause the creature to lose power.
Jan 25, 2019
If a creature entering the battlefield has riot but can’t have a +1/+1 counter put onto it, it gains haste.
Jan 25, 2019
Riot is a replacement effect. Players can’t respond to your choice of +1/+1 counter or haste, and they can’t take actions while the creature is on the battlefield without one or the other.
Jan 25, 2019
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