Liberator, Urza's Battlethopter (BRO-237) - The Brothers' War - Magic The Gathering Number_185 you may cast an artifact

you may cast an artifact spell from your hand or graveyard by paying life equal to its mana value rather than paying its mana cost

Nethergoyf's power is equal to the number of card types among cards in your graveyard and its toughness is equal to that number plus 1

5 cards of rarity Rare or higher per pack

In addition

Cards may be played from your hand or from the face-up area on the board called the meadow

Liberator, Urza's Battlethopter (BRO-237) - The Brothers' War - Magic The Gathering Number_185 you may cast an artifactCondition: Near Mint. Image is sample only. Real cards may vary slightly in centering, colour, or print details. Card TypeLegendary Artifact Creature Thopter RarityRare Flash Flying You may cast colorless spells and artifact spells as though they had flash. Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator's power, put a +1 +1 counter on Liberator.