The Wind Crystal (Borderless) [FINAL FANTASY] ElderDragon It has flying and is

It has flying and is an Angel in addition to its other types

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

Set: Rage of the Abyss Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 1200 Defense: 1600 When your opponent activates a monster effect as Chain Link 2 or higher (Quick Effect): You can make the activated effect become "Your opponent places 1 "Centur-Ion" monster from their face-up field or GY in their Spell & Trap Zone as a face-up Continuous Trap"

・Sleeve x 70 (1 type)

this Digimon can digivolve into [MetalGarurumon] in the hand for a digivolution cost of 4

The Wind Crystal (Borderless) [FINAL FANTASY] ElderDragon It has flying and isSet: FINAL FANTASY Type: Legendary Artifact Rarity: Rare Cost: {2}{W}{W} White spells you cast cost {1} less to cast. If you would gain life, you gain twice that much life instead. {4}{W}{W}, {T}: Creatures you control gain flying and lifelink until end of turn.