one piece card game two legends booster box TCG: (OP-08) Kureha and Dr ONE PIECE Card Game Two

Carnival // Carnage I ran this as a four of in my Standard-legal Rakdos Midrange deck on Arena in my sideboard since it was great against dorks and control like Mono-Blue Aggro (Carnival) and activating spectacle for Light Up the Stage

Urenis Rebuff can go down to just one blue mana if you tap a creature with a power of five or more alongside it

You then gain that much life again

Its colorless color identity is a limitation, and while some powerful colorless payoffs like Echoes of Eternity exist, it still may be a hard cookie to swallow and build around

Magic Online will continue to support new sets

Otherwise, there are plenty of alternate donation effects, such as Fateful Handoff, that will put you ahead in the exchange