Contamination [Urza's Saga] Commander 2013 Set: Onslaught Type: Creature —

Set: Onslaught Type: Creature — Goblin Rarity: Rare Cost: {2}{R} Goblin Sharpshooter doesn't untap during your untap step

{T}: Search your library for a basic land card

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant creature

Set: Modern Masters 2017 Type: Creature — Human Wizard Rarity: Mythic Cost: {1}{U} Flash

it puts twice that many of those counters on that permanent instead

Contamination [Urza's Saga] Commander 2013 Set: Onslaught Type: Creature —Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {2}{B} At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount.