Entei (SM219) (Staff Prerelease Promo) [Sun & Moon: Black Star Promos] Ox Set: Diamond & Pearl: Secret

Set: Diamond & Pearl: Secret Wonders Type: Grass Rarity: Holo Rare Retreat cost: Colorless

and the monster it is battling loses 1500 ATK and DEF until the End Phase

you can send this card from your hand to the Graveyard during the Damage Step to have that monsters gain 1400 ATK until the End Phase

Set: Planechase Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} {T}: Add {C}{C}

Entei (SM219) (Staff Prerelease Promo) [Sun & Moon: Black Star Promos] Ox Set: Diamond & Pearl: SecretSet: Sun & Moon: Black Star Promos Type: Fire Rarity: Promo Retreat cost: Colorless,Colorless