Artifact Creature - Myr (1/2)
Whenever a artifact is put into a graveyard from the battlefield, target opponent may pay 3. If that player doesn't, ~this~ can't be blocked except by Myr until end of turn
Tap an untapped permanent you control, T: you lose 6 life
Converted mana cost: 4
AlexChurchill/TypeFourArtifactGenerator