Ydwen Efreet [Arabian Nights] Quick-Play Spell and select that 1 Fusion

and select that 1 Fusion Monster from your Fusion Deck

Set: Retro Pack 2 Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 2500 This card gains 300 ATK and DEF for each "Harpie Lady" on the field

you may put that card onto the battlefield

Set: Amonkhet Prerelease Promos Type: Creature — Bird Wizard Rarity: Rare Cost: {2}{W} Flash

Ydwen Efreet [Arabian Nights] Quick-Play Spell and select that 1 FusionSet: Arabian Nights Type: Creature Efreet Rarity: Rare Cost: {R}{R}{R} Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.