Merry, Warden of Isengard Art Card (Gold-Stamped Signature) [The Lord of the Rings: Tales of Middle-earth Art Series] Survivor If it's a creature card

If it's a creature card with power less than or equal to Grenzo's power

Set: Modern Horizons Type: Snow Artifact Creature — Golem Rarity: Uncommon Cost: {S} ({S} can be paid with one mana from a snow source

If it has mana value less than the sacrificed permanent's mana value

Set: Innistrad: Crimson Vow Commander Type: Instant Rarity: Rare Cost: {2}{W}{W} Choose up to three target permanent cards in graveyards that were put there from the battlefield this turn

Set: Commander 2015 Tokens Type: Token Creature — Elemental Rarity: Common Flying

Merry, Warden of Isengard Art Card (Gold-Stamped Signature) [The Lord of the Rings: Tales of Middle-earth Art Series] Survivor If it's a creature cardSet: The Lord of the Rings: Tales of Middle earth Art Series Rarity: Common