The Brothers' War

Stern Lesson | Instant | | Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") | Lie Setiawan

Third Path Savant | Creature | Human Wizard | {7}: Draw two cards. | Artur Treffner

Urza's Rebuff | Instant | | Choose one — • Counter target spell. • Tap up to two target creatures. | Josu Hernaiz

Wing Commando | Creature | Human Soldier | Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | David Auden Nash