When The Mightstone and Weakstone enters the battlefield, choose one —
• Draw two cards.
• Target creature gets -5/-5 until end of turn.
: Add
. This mana can’t be spent to cast nonartifact spells.
(Melds with Urza, Lord Protector.)
//
Once during each of your turns, you may activate an additional loyalty ability of Urza, Planeswalker. (You may activate the same ability twice.)
+2: Artifact, instant, and sorcery spells you cast this turn cost
less to cast. You gain 2 life.
+1: Draw two cards, then discard a card.
0: Create two 1/1 colorless Soldier artifact creature tokens.
-3: Exile target nonland permanent.
-10: Artifacts and planeswalkers you control gain indestructible until end of turn. Destroy all nonland permanents.
