Terastodon [30th Anniversary Promos] Cow nonland card revealed this way

nonland card revealed this way and cast it without paying its mana cost

Commander creatures you control get +2/+2 and have haste

Set: Modern Horizons Type: Instant Rarity: Common Cost: {W} Exile target creature you control

Set: Commander Anthology Type: Instant Rarity: Common Cost: {1}{B} As an additional cost to cast this spell

Set: Commander 2016 Type: Sorcery Rarity: Uncommon Cost: {3}{U/P} ({U/P} can be paid with either {U} or 2 life

Terastodon [30th Anniversary Promos] Cow nonland card revealed this waySet: 30th Anniversary Promos Type: Creature Elephant Rarity: Rare Cost: {6}{G}{G} When Terastodon enters the battlefield, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3 3 green Elephant creature token.