Emerald Congalala

Mushroomancer - {3}: Emerald Congalala gains multiple boons until end of turn depending
on the mana spent to aktivate this ability.
{b}: +1/ -1 and Infect
{r}: +1/+0 and Provoke
{g}: +0/+1 and Rampage 1
When Emerald Congalala has a boon and attacks, return target creature at the end of turn.