Whenever Diseased Vermin deals combat damage to a player, put an infection counter on it. At the beginning of your upkeep, Diseased Vermin deals X damage to target opponent previously dealt damage by it, where X is the number of infection counters on it.
Near Mint - $0.50
Lightly Played - $0.40
Played - $0.40
Heavily Played - $0.30
Damaged - $0.30
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.40
Played Non-English - $0.40
Heavily Played Non-English - $0.30
Damaged Non-English - $0.30