Reset, Scholar of the Ages, and Justiciar's Portal

Prerequisites

• Reset in hand
• Scholar of the Ages on the battlefield
• Justiciar's Portal in hand
• available

Steps

1. Activate all your lands by tapping them, adding at least enough mana to cast your two spells
2. Cast Reset by paying its mana cost, causing you to untap all lands you control
3. Cast Justiciar's Portal by paying its mana cost, blinking Scholar of the Ages and giving it first strike until end of turn, and putting Justiciar's Portal into your graveyard as it resolves
4. Scholar of the Ages triggers when it enters, returning Reset and Justiciar's Portal to your hand
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite storm count
• Infinite untap of lands you control
• Infinite blinking