Marwindoom

Flying, menace, vigilance, haste
Whenever Marwindoom blocks or becomes
blocked by one or more creatures, exile those
creatures and create that many Gold tokens. Until
end of turn, Gold tokens you control become 1/1
Devil creatures and have "When this creature
dies, it deals 1 damage to any target."
Appease {r}{w}{b}. (At the beginning of your upkeep,
sacrifice this permanent or pay {r}{w}{b})