Horn of Heaven [TP3-005] Super Rare Order of Chaos then it becomes the End

then it becomes the End Phase of this turn

you can Special Summon 1 DARK monster with an ATK of 1500 or less in face-up Attack Position from your Deck

you cannot use it for a Synchro Summon

Set: Flaming Eternity Card type: Effect Monster Rarity: Ultimate Rare Attack: 1800 Defense: 1000 Discard 1 Spell Card from your hand

If there is no face-up Field Spell Card on the field

Horn of Heaven [TP3-005] Super Rare Order of Chaos then it becomes the EndSet: Tournament Pack 3 Card type: Counter Trap Rarity: Super Rare Attack: 0 Defense: 0 Offer 1 of your own monsters on the field as a Tribute to negate the summon (including Special Summon) of a monster and destroy it.