Chet, Gentle Farmhand

Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell
pays for {1} or one mana of that creature's color.)
Harvest — {3}, Discard a land or artifact card:
Other creatures you control gain Hexproof and
Indestructible until end of turn.
Chet didn't ask for much, just to be left alone with
his farm and his animals. Nothing would be allowed
to harm his beloved creatures...