At the beginning of the next combat phase this turn, target creature you control deals damage equal to its power to up to one target creature you don't control
Its Ezuris second effect, however, which really puts him on the map
Being in a straight Power Lock (GG or anything running a couple Mesprits) can be a major pain, too
Let your creativity run wild with Rootha as your artist-in-residence and cast expensive, bombastic spells
Big-mana Artifacts are all teed up for a resurgence thanks to this card, but even less specialized Artifacts decks are starting to include this card more and more, thanks to its ability to put out hugely powerful beaters for very little initial investment
Or to make Esper/Sultai/Jeskai/Temur just as easy