Relentless Rats (755) [Secret Lair Drop Series] Cat Avatar Goblin Lyre deals damage to

Goblin Lyre deals damage to you equal to the number of creatures that opponent or that planeswalker's controller controls

Set: Planeshift Type: Enchantment Rarity: Rare Cost: {3}{U}{U} At the beginning of each player's upkeep

Set: Kamigawa: Neon Dynasty Commander Type: Creature — Lizard Hydra Rarity: Rare Cost: {5}{G} Reach

Each of those creatures doesn't untap during its controller's untap step for as long as it has a paralyzation counter on it

Set: Mercadian Masques Type: Enchantment Rarity: Uncommon Cost: {3}{G} Whenever an opponent casts a blue or black spell

Relentless Rats (755) [Secret Lair Drop Series] Cat Avatar Goblin Lyre deals damage toSet: Secret Lair Drop Series Type: Creature Rat Rarity: Rare Cost: {1}{B}{B} Relentless Rats gets +1 +1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless Rats. If you appease them, they grow pompous.