Goryo's Vengeance [UMA - 99] Promo Pack Kamigawa Neon Dynasty each opponent loses X life

each opponent loses X life and you gain X life

A deck can have any number of cards named Relentless Rats

Blast off to the Edge of Eternities and tap into the power of the planets

Rules Text Contains: At the beginning of your first main phase

this attack does 120 more damage for each card you discarded in this way

Goryo's Vengeance [UMA - 99] Promo Pack Kamigawa Neon Dynasty each opponent loses X lifeRarity: R #: 99 Creature Type or Sub Type: Instant Arcane Rules Text Contains: Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step. Splice onto Arcane 2B (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)