Explosive Grenade-Gobbler

When Explosive Grenade-Gobbler enters
the battlefield, flip a coin. If you win the
flip, Explosive Grenade-Gobbler deals 3 damage to any target. If you lose the flip, Explosive Grenade-Gobbler deals 3 damage
to itself.
"It either blows them up... or blows me up. Either way, it's a blast!"