Infected Vermin

Creature - Rat 1/1, 2B (3)
{2}{B}: Infected Vermin deals 1 damage to each creature and each player.
Threshold - {3}{B}: Infected Vermin deals 3 damage to each creature and each player. Play this ability only if seven or more cards are in your graveyard.¹
Illus. Anthony S. Waters

Crystal Keep Rulings Summaries

• Note - Also see Threshold, Rule 502.23.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Odyssey (Uncommon)