Splint, Resilient Healer

At the beginning of your upkeep, you may pay {g}{u}. If you do, you get a one-time boon
with "When the first creature spell you cast
this turn enters the battlefield, you gain life
equal to its toughness."
At the beginning of your end step, if you gained
4 or more life this turn, create a 1/2
green and blue elemental creature token.
{t}- Add {g}or {u}