Breeding Pool (Promo Pack) [Ravnica Allegiance Promos] Avacyn Restored Promos If that card's mana value

If that card's mana value is less than or equal to the sacrificed artifact's mana value

(It can't be blocked except by artifact creatures and/or black creatures

"This should halt the spread of your insolence

Set: Nemesis Type: Enchantment Rarity: Rare Cost: {2}{G}{G} As Overlaid Terrain enters the battlefield

Breeding Pool (Promo Pack) [Ravnica Allegiance Promos] Avacyn Restored Promos If that card's mana valueSet: Ravnica Allegiance Promos Type: Land Forest Island Rarity: Rare ({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped. "One beginning, many paths." Vannifar