Flamebrand Acolyte

({p/r} can be paid with either {r} or 2 life.)
When Flamebrand Acolyte enters the battlefield, exile the top card of your library.
You may play that card until end of turn. If
it's a red card, put a +1/+1 counter on Flamebrand Acolyte and you lose 1 life.
Knowledge can be a painful burden.