Training Grounds [The List] Pro Tour Promos Set: Urza's Legacy Type: Enchantment

Set: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {G} When an opponent casts an instant spell

Set: Friday Night Magic 2007 Type: Instant Rarity: Rare Cost: {U} Counter target spell unless its controller pays {1}

Set: Fifth Dawn Type: Artifact Rarity: Uncommon Cost: {4} Sacrifice an artifact: Add {C}{C}

sacrifice Contamination unless you sacrifice a creature

Training Grounds [The List] Pro Tour Promos Set: Urza's Legacy Type: EnchantmentSet: The List Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost up to {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. Under the master's eye, skills are honed sharper and spells cut deeper.