Howl from Beyond (Retro) [30th Anniversary Edition] Commander 2018 but woe awaits whomever finds

but woe awaits whomever finds out who stokes the fire or what simmers in the pot

if that spell's mana cost or that ability's activation cost contains {X}

Whenever you cast an instant or sorcery spell or activate an ability

Set: Secret Lair Drop Promos Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

T: Return target enchantment card from your graveyard to your hand

Howl from Beyond (Retro) [30th Anniversary Edition] Commander 2018 but woe awaits whomever findsSet: 30th Anniversary Edition Type: Instant Rarity: Common Cost: {X}{B} Target creature gets +X +0 until end of turn.