While you could play a card like Scour from Existence, the lions share of responsibility falls on blue
For just one green, one white, and one blue mana, you could web-sling in anything from a Progenitus to a Jodah to an Atraxa
All of these actions triggering without requiring combat is extremely effective, and when paired with other ways to boost the power and toughness of creatures, all while backup Commander Director Nick Fury is reducing the cost of Heroes by 1C, you can see why this deck is being hyped up as powerful right out of the box
This works because state-based actions are not checked until the spell has resolved, and so there is no opportunity for the owner of the commander that was destroyed to then send that commander back to the Command Zone their first opportunity to do so is after the spell resolves
That does some wild stufffor example, it gets Marsh Flats back twice for actual land ramp in Orzhov, it lets you feed cards like Dusk Legion Zealot into a Warren Soultrader multiple times, or it wrings the most value possible from cards like Boromir, Warden of the Tower and Dauthi Voidwalker
Disney Lorcana is a collectible strategy card game from Ravensburger made in collaboration with Disney