Conundrum Sphinx [Commander 2018] BW08 You can only use each

You can only use each effect of "Altergeist Memorygant" once per turn

Set: Hidden Arsenal 7: Knight of Stars Card type: Normal Spell Rarity: Super Rare Attack: 0 Defense: 0 Target 2 "Constellar" monsters in your Graveyard

Set: 2015 Mega-Tins Mega Pack Card type: Tuner/Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 2000 When this card you control is destroyed by battle or card effect and sent to your Graveyard: You can Special Summon 1 "Yang Zing" monster from your Deck in Attack Position

Negate the effects of Effect Monsters destroyed by battle with Fiend-Type monsters you control

if this card battles a non-WIND monster: You can destroy that monster

Conundrum Sphinx [Commander 2018] BW08 You can only use eachSet: Commander 2018 Type: Creature Sphinx Rarity: Rare Cost: {2}{U}{U} Flying Whenever Conundrum Sphinx attacks, each player chooses a card name. Then each player reveals the top card of their library. If the card a player revealed has the name they chose, that player puts it into their hand. If it doesn't, that player puts it on the bottom of their library.