Yorion, Sky Nomad (Promo Pack) [Ikoria: Lair of Behemoths Promos] Elemental Dog Hellhole Rats deals damage to

Hellhole Rats deals damage to that player equal to that card's mana value

and of course

As an additional cost to cast creature spells

Set: Shadows over Innistrad Type: Creature — Human Knight Rarity: Common Cost: {3}{W} When Inspiring Captain enters the battlefield

Set: Apocalypse Type: Creature — Volver Rarity: Rare Cost: {2}{B} Kicker {1}{G} and/or {W} (You may pay an additional {1}{G} and/or {W} as you cast this spell

Yorion, Sky Nomad (Promo Pack) [Ikoria: Lair of Behemoths Promos] Elemental Dog Hellhole Rats deals damage toSet: Ikoria: Lair of Behemoths Promos Type: Legendary Creature Bird Serpent Rarity: Rare Cost: {3}{W U}{W U} Companion Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) Flying When Yorion enters the battlefield, exile any number of other nonland permanents you own and control. Return