Refuse // Cooperate [Hour of Devastation Prerelease Promos] Mongoose The other Synchro Material(s) cannot

The other Synchro Material(s) cannot be Level 4

Set: Rivals of Ixalan Prerelease Promos Type: Creature — Human Shaman Rarity: Rare Cost: {1}{R} Ascend (If you control ten or more permanents

"It's a proven fact that sling-stones from the dawn side of the riverbank sail the farthest and truest

Untaidake is the needle that weaves the fabric of creation

Set: Conspiracy: Take the Crown Type: Creature — Giant Soldier Rarity: Rare Cost: {5}{W} When Protector of the Crown enters the battlefield

Refuse // Cooperate [Hour of Devastation Prerelease Promos] Mongoose The other Synchro Material(s) cannotSet: Hour of Devastation Prerelease Promos Type: Instant Instant Rarity: Rare Cost: {3}{R} {2}{U} Refuse deals damage to target spell's controller equal to that spell's converted mana cost. Reverse Type: Instant Aftermath (Cast this spell only from your graveyard. Then exile it.) Copy target instant or sorcery spell. You may choose new targets for the copy.