Tiamat (235) [Prerelease Cards] Field Center you can Tribute Summon this

you can Tribute Summon this monster by Tributing 1 DARK monster

Number: POTD-EN048 Rarity: Ultimate Rare Attribute Monster Type/Card Type: SPELL /Normal Spell Level: 0 A / D: 0 / 0 Description: When a Destiny Hero monster attacks

Card Number / Rarity: XY66 / Promo Card Type / HP / Stage: Dragon / 170 / Basic Attack 1: [2] Mega Ascension

Does 20 damage plus 10 more damage for each damage counter on Primape

Card Number / Rarity: 107 / Ultra Rare Card Type / HP / Stage: Fighting / 130 / Level Up Card Text: Sand Reset - Once during a game on your turn (before your attack)

Tiamat (235) [Prerelease Cards] Field Center you can Tribute Summon thisRarity: M #: 235 Card Type: Creature Dragon God P T: 7 7 Description: Flying When Tiamat enters the battlefield, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle. Flavor: "My children will rule over all!"