Grolnok, the Omnivore [Innistrad: Crimson Vow Prerelease Promos] M-20 Set: Kaldheim Prerelease Promos Type:

Set: Kaldheim Prerelease Promos Type: Land Rarity: Rare {T}: Add {W}

Top this off with special cards purchased with energy that have a permanent or temporary effect

Set: Sun & Moon: Guardians Rising Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Set: Diamond & Pearl: Black Star Promos Type: Colorless Rarity: Promo Retreat cost: Colorless

Players may spend mana as though it were mana of any color

Grolnok, the Omnivore [Innistrad: Crimson Vow Prerelease Promos] M-20 Set: Kaldheim Prerelease Promos Type:Set: Innistrad: Crimson Vow Prerelease Promos Type: Legendary Creature Frog Rarity: Rare Cost: {2}{G}{U} Whenever a Frog you control attacks, mill three cards. Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it. You may play lands and cast spells from among cards you own in exile with croak counters on them.