Volatile Rig [Return to Ravnica] Vampire Skeleton You may put those cards

You may put those cards on the bottom of your library in any order

create an 8/8 blue Octopus creature token

The vedalken embed such urns in their living artifact creations

Whether they know it or not

Goblins Type: Creature — Goblin Rarity: Common Cost: {R} Sacrifice a Goblin: Target creature gets +1/+1 until end of turn

Volatile Rig [Return to Ravnica] Vampire Skeleton You may put those cardsSet: Return to Ravnica Type: Artifact Creature Construct Rarity: Rare Cost: {4} Trample Volatile Rig attacks each combat if able. Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig. When Volatile Rig dies, flip a coin. If you lose the flip, it deals 4 damage to each creature and each player.