Seraphim of Splendor

Flying, Ward—{3} and discard a card
Cumulative upkeep—{w/u}{w/u}
At the start of each opponent's turn, pick one of
the following game steps: untap, upkeep or draw.
When opponent is finished with that step their
turn is paused and you take that step for yourself.
When you finish with that step opponent's turn
resumes as normal.