Momentous Fall [Commander 2019] 122 neither player can Xyz Summon

neither player can Xyz Summon using monsters with a different Level from the Monster Revealed as Xyz Material

Set: OTS Tournament Pack 6 Card type: Effect Monster Rarity: Common Attack: 2400 Defense: 1800 "Amazoness" monsters you control cannot be destroyed by battle

When a Spell Card is activated: You can discard 1 card

Return two Islands you control to their owner's hand: Return target creature to its owner's hand

Set: Phantom Darkness Card type: Normal Trap Rarity: Rare Attack: 0 Defense: 0 Destroy 1 Reptile-Type monster you control and 2 cards your opponent controls

Momentous Fall [Commander 2019] 122 neither player can Xyz SummonSet: Commander 2019 Type: Instant Rarity: Rare Cost: {2}{G}{G} As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness. It wasn't long until the elves had developed a use for every part of the Eldrazi.