Regna's Sanction [Battlebond] Phyrexian Imp if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

Set: Modern Masters 2015 Type: Instant Rarity: Uncommon Cost: {1}{B/P}{B/P} ({B/P} can be paid with either {B} or 2 life

he must forsake all others

Inventors Type: Legendary Creature — Human Artificer Rarity: Rare Cost: {2}{R}{R} When Pia and Kiran Nalaar enters the battlefield

Set: Premium Deck Series: Slivers Type: Creature — Sliver Rarity: Uncommon Cost: {W}{U} All Slivers have shroud

Regna's Sanction [Battlebond] Phyrexian Imp if that spell's mana costSet: Battlebond Type: Sorcery Rarity: Rare Cost: {3}{W} For each player, choose friend or foe. Each friend puts a +1 +1 counter on each creature they control. Each foe chooses one untapped creature they control, then taps the rest. "Show them the light, my love." Krav, the Unredeemed