Graven Cairns [Shadowmoor] Nastiest Wei Field Marshal's power is

Wei Field Marshal's power is equal to the number of Swamps you control

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} Return all lands to their owners' hands

Play the song of Feroz

Set: IDW Comics 2014 Type: Sorcery Rarity: Rare Cost: {B} Target opponent reveals their hand

When Mulldrifter enters the battlefield

Graven Cairns [Shadowmoor] Nastiest Wei Field Marshal's power isSet: Shadowmoor Type: Land Rarity: Rare {T}: Add {C}. {B R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}. "Here did the Extinguisher steal the light from the world. Here will we sacrifice her to bring the Great Rekindling to our people." Illulia of Nighthearth