Sanguine Guard [Urza's Saga] Sphinx You can only use this

You can only use this effect of "Prompthorn" once per turn

Set: Starter Deck: Yugi Card type: Normal Spell Rarity: Common Select and control 1 opposing monster (regardless of position) on the field until the end of your turn

if a Spellcaster monster(s) on the field would be destroyed

Set: 2016 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 800 Defense: 0 You can send 1 "Atlantean" monster from your Deck to your Graveyard

Sanguine Guard [Urza's Saga] Sphinx You can only use thisSet: Urza's Saga Type: Creature Phyrexian Zombie Knight Rarity: Uncommon Cost: {1}{B}{B} First strike {1}{B}: Regenerate Sanguine Guard. "Father of Machines! Your filigree gaze carves us, and the scars dance upon our grateful flesh." *Phyrexian Scriptures*