Feed the Swarm [Innistrad: Crimson Vow Commander]

Set: Innistrad: Crimson Vow Commander Type: Sorcery Rarity: Common Cost: {1}{B} {3}{G}: Roll a d20. Activate only if Loathsome Troll is in your graveyard.1—9 | Put Loathsome Troll on top of your library.10—19 | Return Loathsome Troll to your hand.20 | Return Loathsome Troll to the battlefield tapped. "On vile wings and bloody wind, the swarm will rise." —Skyclave inscription