Reverent Mantra [Mercadian Masques] SWSH036 and 'Gamma the Magnet Warrior'

and 'Gamma the Magnet Warrior' exist in the Graveyard

Set: Tempest Type: Enchantment Rarity: Rare Cost: {W} {2}{W}: Creatures you control get +1/+1 until end of turn

Set: Deckmasters Type: Creature — Illusion Rarity: Common Cost: {3}{B} {B}: Phantasmal Fiend gets +1/-1 until end of turn

You can only activate 1 "Dark Magic Inheritance" per turn

If this card is Xyz Summoned: Return all other cards on the field to the hand

Reverent Mantra [Mercadian Masques] SWSH036 and 'Gamma the Magnet Warrior'Set: Mercadian Masques Type: Instant Rarity: Rare Cost: {3}{W} You may exile a white card from your hand rather than pay this spell's mana cost. Choose a color. All creatures gain protection from the chosen color until end of turn.