Blessed Guardian of the Seeds

The {x} component of this spell can only be paid
by convoking Squirrels Creatures.
Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays
for {1} or one mana of that creatures color.)
Return a forest from your graveyard to the battlefield. It is now a Legendary Treefolk
and enters the battlefield with {x}
+1/+1 counters on it.