This may not be as powerful as doubling death triggers, a la Teysa Karlov, but it can be a fun addition to blink decks
These include Bennie Bracks, Zoologist, Adrix and Nev, Twincasters, Chulane, Teller of Tales, and Koma, Cosmos Serpent
While innocuous on the surface, the one-mana creature taps to create a mana itself, effectively providing another land drop and allowing you to jump to three mana on turn two, and beyond
Alisaie Leveilleur + Alphinaud Leveilleur You may need to share some Final Fantasy 14 stories about Alisaie Leveilleur and Alphinaud Leveilleur, but even if you can't, the turns in which you play multiple spells are your big plays and rightfully so, a lot happens in those instances
Instant Zariel, Archduke of Avernus +1: Creatures you control get +1/+0 and gain haste until end of turn