Powder Keg (Jakub Slemr) [World Championship Decks 1999] Duel Decks Anthology Whenever you reveal an instant

Whenever you reveal an instant or sorcery card this way

Set: Innistrad: Midnight Hunt Prerelease Promos Type: Legendary Planeswalker — Teferi Rarity: Mythic Cost: {2}{W}{U} +1: Choose up to one target artifact

Set: Oversize Cards Rarity: Rare Until end of turn

you may search your library for an enchantment card with mana value 3 or less

Buyer beware

Powder Keg (Jakub Slemr) [World Championship Decks 1999] Duel Decks Anthology Whenever you reveal an instantSet: World Championship Decks 1999 Type: Artifact Rarity: Rare Cost: {2} At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg.