Smokestack [Urza's Saga] Plant Wall Spells you cast that share

Spells you cast that share a card type with the exiled card cost {2} less to cast

Set: Friday Night Magic 2010 Type: Land — Locus Rarity: Rare Cloudpost enters the battlefield tapped

and if you travel far enough you'll come to the other side

passage 27

Set: Worldwake Type: Creature — Elf Warrior Rarity: Rare Cost: {G} Multikicker {1}{G} (You may pay an additional {1}{G} any number of times as you cast this spell

Smokestack [Urza's Saga] Plant Wall Spells you cast that shareSet: Urza's Saga Type: Artifact Rarity: Rare Cost: {4} At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.