Phyrexian Obliterator [Phyrexia: All Will Be One Prerelease Promos] Stage 1 and that player can't activate

and that player can't activate abilities that aren't mana abilities

This attack does 20 damage plus 20 more damage for each Fire Energy card discarded in this way

Set: Legend Maker Type: Water Rarity: Holo Rare Retreat cost: 2 [1W] Surf (30)

Collectors’ Edition Type: Creature — Human Knight Rarity: Uncommon Cost: {B}{B} First strike (This creature deals combat damage before creatures without first strike

Phyrexian Obliterator [Phyrexia: All Will Be One Prerelease Promos] Stage 1 and that player can't activateSet: Phyrexia: All Will Be One Prerelease Promos Type: Creature Phyrexian Horror Rarity: Mythic Cost: {B}{B}{B}{B} Trample Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents. "Show me what Norn's sycophants are hiding under all that pretty porcelain." Sheoldred