Underworld Sentinel can attack even if there’s no creature card in your graveyard to exile.
2020-01-24
wotc
In a multiplayer game, if a player leaves the game, all cards that player owns leave as well. If you leave the game, any permanents you control from Underworld Sentinel but don’t own are exiled.
2020-01-24
wotc
If you gain control of another player’s Underworld Sentinel and it then dies, you’ll put the exiled cards onto the battlefield under your control.
2020-01-24
wotc
If Underworld Sentinel leaves the battlefield without dying, the exiled creature cards are exiled for the rest of the game. If Underworld Sentinel returns to the battlefield later, it’ll be a new object with no memory of the creatures it exiled previously.
Format Legality
Standard
Not Legal
Future
Not Legal
Historic
Legal
Timeless
Legal
Gladiator
Legal
Pioneer
Legal
Modern
Legal
Legacy
Legal
Pauper
Not Legal
Vintage
Legal
Penny
Not Legal
Commander
Legal
Oathbreaker
Legal
Standardbrawl
Not Legal
Brawl
Legal
Alchemy
Not Legal
Paupercommander
Not Legal
Duel
Legal
Oldschool
Not Legal
Premodern
Not Legal
Predh
Not Legal
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