Hoard-Smelter Dragon [Commander Anthology Volume II] SWSH069 You can only activate 1

You can only activate 1 "Synchro Overtake" per turn

Set: Judge Gift Cards 2007 Type: Sorcery Rarity: Rare Cost: {2}{B} Until end of turn

Set: Sun & Moon: Hidden Fates Type: Stadium Rarity: Uncommon

or tapped creature

When your opponent Normal or Special Summons exactly 1 monster (and no other monsters are Summoned) while this monster is on the field: You can make that monster lose ATK equal to its Level x 200 (until the end of this turn)

Hoard-Smelter Dragon [Commander Anthology Volume II] SWSH069 You can only activate 1Set: Commander Anthology Volume II Type: Creature Dragon Rarity: Rare Cost: {4}{R}{R} Flying {3}{R}: Destroy target artifact. Hoard Smelter Dragon gets +X +0 until end of turn, where X is that artifact's mana value. He collects the precious metals, and then converts the rest to propellant.