Sacred Foundry [Guilds of Ravnica] XY157 Once per turn: you can

Once per turn: you can send 1 Equip Card equipped to this card to the Graveyard to double this card's ATK until the End Phase

and it gets the selected monster''s effect(s)

Set: Starstrike Blast Card type: Effect Monster Rarity: Common Attack: 400 Defense: 500 If this card attacks a DARK monster

Set: HeartGold & SoulSilver: Black Star Promos Type: Psychic Rarity: Black Star Promo

Sacred Foundry [Guilds of Ravnica] XY157 Once per turn: you canSet: 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