Razortooth Rats

(T: Add W.)

Whenever this creature attacks alone, it gets +2/+0 until end of turn.

T: This creature deals 1 damage to target attacking or blocking creature.

T: This creature deals 1 damage to target attacking or blocking creature.

When this creature dies, target creature gets -1/-1 until end of turn.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

You have shroud. (You can't be the target of spells or abilities.)