Contamination [Urza's Saga] Artifact {T}: Put target creature on

{T}: Put target creature on the bottom of its owner's library

Set: Portal Three Kingdoms Type: Sorcery Rare Cost: {1}{G} Tap any number of untapped creatures you control

Locus of Mana gets +1/+1 for each unspent green mana you have

instead that card is revealed and put on the bottom of that player's library

Set: Limited Edition Beta Type: Instant Uncommon Cost: {G} Cast this spell only during your declare attackers step

Contamination [Urza's Saga] Artifact {T}: Put target creature onSet: Urza's Saga Type: Enchantment 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.