Goblin Bangchuckers
{2}{R}{R}
Creature -- Goblin Warrior
2/2
{T}: Flip a coin. If you win the flip, ~this~ deals 2 damage to any target. If you lose the flip, ~this~ deals 2 damage to itself.
Goblin Kaboomist
{1}{R}
Creature -- Goblin Warrior
1/2
At the beginning of your upkeep, create a colorless artifact token named Land Mine with "{R}, Sacrifice ~this~: ~this~ deals 2 damage to target attacking creature without flying." Then flip a coin. If you lose the flip, ~this~ deals 2 damage to itself.