Saloon

Saloon enters the battlefield tapped.
{t}: Add {r}, {g}, {w}, or {u} to your mana pool.
{r/g}{w/u}, {t}: Target creature has "Outlast {1}: ({t}, {1}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)" until end of turn.
Each creature you control with a +1/+1 counter has Persist.