Supirittotsuri, Spirit Guide

Lifelink, Flying
When Supirittotsuri enters the battlefield
you may cast a Spirit card with converted
mana cost 4 or less from your hand without paying its mana cost.
Other Spirits you control get +0/+2 and have Hexproof.
"All eventually return to the great Spirit Tree,
but I guide the souls that are truly lost."