Survival of the Fittest [Exodus] Scars of Mirrodin Prerelease Promos Whenever a source deals damage

Whenever a source deals damage to Phyrexian Obliterator

Card TypeCreature — Zombie Wizard

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

" This effect lasts indefinitely

(It can't be blocked as long as defending player controls a Forest

Survival of the Fittest [Exodus] Scars of Mirrodin Prerelease Promos Whenever a source deals damageSet: Exodus Type: Enchantment Rarity: Rare Cost: {1}{G} {G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.