Douglass, Resourceful Opossum

{g}: Regenerate Douglass, Resourceful Opossum
Intimidate
Whenever a creature enters your graveyard from
the battlefield you may exile it. If you do, create
a food token (It's an artifact with "{2}, {t},
Sacrifice this artifact: You gain 3 life.")
Activated abilities of foods you control cost {1} less to activate