Tawnos [Vanguard Series] Portal Three Kingdoms You may cast a spell

You may cast a spell from among them without paying its mana cost

Set: Alpha Edition Type: Sorcery Rarity: Uncommon Cost: {2}{W}{W} Return target creature card from your graveyard to the battlefield

Set: Friday Night Magic 2002 Type: Instant Rarity: Rare Cost: {1}{U}{U} Counter target spell

its controller adds an additional one mana of that color

but I didn't expect it from the building itself

Tawnos [Vanguard Series] Portal Three Kingdoms You may cast a spellSet: Vanguard Series Type: Vanguard Rarity: Rare You may cast artifact, creature, and enchantment spells as though they had flash. Tawnos brings a childlike wonder and an inherent skill to Urza's studio and bridges the wizardry of the workshop with the grandeur of the royal court. His speed and flexibility quickly earned him promotion from apprentice to master artificer.