The Mightstone and Weakstone // Urza, Planeswalker

The Mightstone and Weakstone

Legendary Artifact — Powerstone

When The Mightstone and Weakstone enters, 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.)

Legendary Planeswalker — Urza

You may activate the loyalty abilities of Urza twice each turn rather than only once.[+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.