Powder Keg (Jakub Slemr) [World Championship Decks 1999] SM72 Whenever you reveal an instant

Whenever you reveal an instant or sorcery card this way

Players can't cast spells from graveyards or libraries

1 Izzet Signet

Set: Innistrad: Midnight Hunt Prerelease Promos Type: Legendary Planeswalker — Wrenn Rarity: Mythic Cost: {3}{G}{G} +1: Reveal the top four cards of your library

[Security] Place this card in its owner's battle area

Powder Keg (Jakub Slemr) [World Championship Decks 1999] SM72 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.