Ancient Sacred Wyvern [ANPR-EN043] Ultra Rare Pendulum/Effect Monster Once per turn: You can

Once per turn: You can attach 1 "Super Quantum" monster from your hand or field to this card as an Xyz Material

You can only use this effect of "Speedroid Terrortop" once per turn

but does not prevent your opponent from attacking you directly

Increase the ATK of this card by 300 points for each "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

Ancient Sacred Wyvern [ANPR-EN043] Ultra Rare Pendulum/Effect Monster Once per turn: You canSet: Ancient Prophecy Card type: Synchro Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 2000 1 LIGHT Tuner + 1 or more non Tuner monsters While your Life Points are higher than your opponent's, this card gains ATK equal to the difference. While your Life Points are lower than your opponent's, this card loses ATK equal to the difference. When this card is destroyed by battle and sent to the Graveyard: You can pay 1000 LP; Special Summon this