Hall of Storm Giants (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Dinosaur Avatar 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

Set: Sun & Moon: Team Up Type: Fire Rarity: Promo Retreat cost: Colorless

Eye of Chaos At the beginning of combat on your turn

Set: Sword & Shield: Shining Fates Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Hall of Storm Giants (Ampersand Promo) [Dungeons & Dragons: Adventures in the Forgotten Realms Promos] Dinosaur Avatar you may cast an artifactSet: Dungeons & Dragons: Adventures in the Forgotten Realms Promos Type: Land Rarity: Rare If you control two or more other lands, Hall of Storm Giants enters the battlefield tapped. {T}: Add {U}. {5}{U}: Until end of turn, Hall of Storm Giants becomes a 7 7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)