Mist Valley Falcon [DT02-EN078] Common SM230 Set: Sun & Moon: Hidden

Set: Sun & Moon: Hidden Fates - Shiny Vault Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

You can Tribute 2 monsters

Set: McDonald's Promos: 2014 Collection Type: Colorless Rarity: Promo Retreat cost: Colorless

or when a Spell/Trap Card that is already face-up on the field activates its effect: You can send this card from your hand or your side of the field to the Graveyard

Mist Valley Falcon [DT02-EN078] Common SM230 Set: Sun & Moon: HiddenSet: Duel Terminal 2 Card type: Effect Monster Rarity: Common Attack: 2000 Defense: 1200 This card cannot declare an attack unless you return 1 card you control to your hand.