At the beginning of your upkeep, you may say "Ach! Hans, run! It's the . . ." and the name of a creature card. If you do, search your library for a card with that name, put it onto the battlefield, then shuffle. That creature gains haste. Exile it at the beginning of the next end step.
Spells and abilities you control can't destroy, exile, target, or cause you to sacrifice A Good Thing. At the beginning of your upkeep, double your life total. Then, if you have 1,000 or more life, you lose the game.
When Abdel Adrian, Gorion's Ward enters the battlefield, exile any number of other nonland permanents you control until Abdel Adrian leaves the battlefield. Create a 1/1 white Soldier creature token for each permanent exiled this way. Choose a Background
Commander Legends: Battle for Baldur's Gate
Enchant creature When Abduction enters the battlefield, untap enchanted creature. You control enchanted creature. When enchanted creature dies, return that card to the battlefield under its owner's control.
Psionic Spells — When Aberrant Mind Sorcerer enters the battlefield, choose target instant or sorcery card in your graveyard, then roll a d20. 1—9 | You may put that card on top of your library. 10—20 | Return that card to your hand.
Flying When Abhorrent Overlord enters the battlefield, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. At the beginning of your upkeep, sacrifice a creature.
As Abian, Luvion Usurper enters the battlefield, you become Abian. (Your life total becomes equal to their loyalty. You can activate the loyalty abilities by spending or gaining life.) [+3]: Discard your hand, then draw cards equal to the greatest power among creatures you control. [+1]: Create a 3/2 red and green Spirit creature token. [–X]: You deal X damage to any target.