Contamination [Urza's Saga] H29 change Halfdane's base power and

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

Set: Arabian Nights Type: Creature — Djinn Rarity: Rare Cost: {3}{G} At the beginning of your upkeep

create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink

Set: Base Set Shadowless Unlimited Type: Lightning Rarity: Common Retreat cost: Colorless

Contamination [Urza's Saga] H29 change Halfdane's base power andSet: 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.