Otherwise, there are plenty of alternate donation effects, such as Fateful Handoff, that will put you ahead in the exchange
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
With Edric in play, when a creature damages one of your opponents, that creature's controller gets to draw a card
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
Theyre also great creatures to copy and fine two-for-ones to slip into your Cube if you find that blue needs an extra creature or two