Springleaf Parade Possum then you may cast any

then you may cast any number of spells from among those cards without paying their mana costs

Exile Soul of Innistrad from your graveyard: Return up to three target creature cards from your graveyard to your hand

+2: Put a +1/+1 counter on each of up to two target creatures

Whenever a Food is put into a graveyard from the battlefield

Target creature's owner puts it on the top or bottom of their library

Springleaf Parade Possum then you may cast anyWhen this enchantment enters, create X 1 1 colorless Shapeshifter creature tokens with changeling. (They're every creature type.) Creature tokens you control have "{T}: Add one mana of any color."