Festering Goblin

(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.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

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

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.)