Contamination [Urza's Saga] Commander 2013 {T}: Add {B} for each

{T}: Add {B} for each Swamp you control

{R}{R}{R}: Put a +1/+1 counter on Rock Hydra

During a hunt they often call to each other

Set: Revised Edition Type: Creature — Dragon Rarity: Rare Cost: {4}{R}{R} Flying (This creature can't be blocked except by creatures with flying or reach

Each one then blocks all creatures the other was blocking

Contamination [Urza's Saga] Commander 2013 {T}: Add {B} for eachSet: 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.