Sacred Foundry [Guilds of Ravnica] XY157 you look at the difference

you look at the difference between their Levels instead

Set: Lord of the Tachyon Galaxy Card type: Effect Monster Rarity: Super Rare Attack: 1550 Defense: 1600 You can only use each effect of "Constellar Sombre" once per turn

Set: Lorwyn Type: Creature — Shapeshifter Rarity: Rare Cost: {4}{B} Changeling (This card is every creature type

Part prison

then puts all cards revealed this way into their graveyard

Sacred Foundry [Guilds of Ravnica] XY157 you look at the differenceSet: Guilds of Ravnica Type: Land Mountain Plains Rarity: Rare ({T}: Add {R} or {W}.) As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped. "You will not be trained here. You will be forged." Commander Yaszen