The Mimeoplasm (Oversized) [Commander 2011 Oversized] Ape Shaman Vantress Gargoyle can't attack unless

Vantress Gargoyle can't attack unless defending player has seven or more cards in their graveyard

They're 2/2 Horror creatures

then each player mills cards equal to your Ring-bearer's power

Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way

You control enchanted artifact

The Mimeoplasm (Oversized) [Commander 2011 Oversized] Ape Shaman Vantress Gargoyle can't attack unlessSet: Commander 2011 Oversized Type: Legendary Creature Ooze Rarity: Mythic Cost: {2}{B}{G}{U} As The Mimeoplasm enters the battlefield, you may exile two creature cards from graveyards. If you do, it enters the battlefield as a copy of one of those cards with a number of additional +1 +1 counters on it equal to the power of the other card.