mtg gruul commander deck A Spider-man seems like the perfect budget build. | Robert Red Beard Gruul commander recs : r/EDH

Triggered abilities use the word "when," "whenever," or "at." They're often written as "[Trigger condition], [effect]." Some keyword abilities, such as prowess, are triggered abilities and will have "when," "whenever," or "at" in their reminder text

Imp's Mischief Imp's Mischief is like Tibalt's Trickery in a deck that doesnt run blue

For now, heres a Standard option just using Dream Devourer as mana ramp in a color that doesnt have it

CYCLONIC RIFT Blue has countless ways to bounce permanents and creatures, but the King of the Hill is Cyclonic Rift

Notably, the part of myriad that makes you exile the creature tokens at end of combat is a triggered ability