Sacred Foundry [Ravnica: City of Guilds] Earth destroy all Defense Position monsters

destroy all Defense Position monsters your opponent controls after damage calculation

or by battle: You can Special Summon 1 "Unchained" monster from your hand or Deck

Set: Platinum: Supreme Victors Type: Water Rarity: Promo Retreat cost: Colorless

Set: EX: Crystal Guardians Type: Fire Rarity: Uncommon Retreat cost: Colorless

This card cannot be Special Summoned except by the effect of "Armed Dragon LV5"

Sacred Foundry [Ravnica: City of Guilds] Earth destroy all Defense Position monstersSet: Ravnica: City of Guilds 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.