standard
future
historic
gladiator
pioneer
explorer
modern
legacy
pauper
vintage
penny
commander
brawl
alchemy
paupercommander
duel
oldschool
premodern
Rulings
The control-change effect of Karrthus's triggered ability lasts indefinitely. It doesn't wear off during the cleanup step, and it doesn't expire if Karrthus leaves the battlefield. In a multiplayer game, it does expire if you leave the game.
When the triggered ability resolves, you'll untap all Dragons, including the ones you already control.
When the triggered ability resolves, you'll untap all Dragons, including the ones you already control.
Rulings
The control-change effect of Karrthus's triggered ability lasts indefinitely. It doesn't wear off during the cleanup step, and it doesn't expire if Karrthus leaves the battlefield. In a multiplayer game, it does expire if you leave the game.
When the triggered ability resolves, you'll untap all Dragons, including the ones you already control.
When the triggered ability resolves, you'll untap all Dragons, including the ones you already control.
Your collection? Your decks?
Want to manage your collection and/or create decks?