Mana Crypt Combos
Mirran Spy + Banishing Knack + Mana Crypt
Words of Wind + Vedalken Archmage + Mana Crypt
Venser, Shaper Savant + Displacer Kitten + Mana Crypt
Underworld Breach + Grinding Station + Mana Crypt
Trazyn the Infinite + Staff of Domination + Mana Crypt
Tidespout Tyrant + Shriekhorn + Mana Crypt
Tidespout Tyrant + Codex Shredder + Mana Crypt
Tidespout Tyrant + Arcum's Astrolabe + Mana Crypt
Teferi, Time Raveler + Displacer Kitten + Mana Crypt
Steelfin Whale + Retraction Helix + Mana Crypt
Steelfin Whale + Banishing Knack + Mana Crypt
Salvaging Station + Karn, Silver Golem + Mana Crypt
Rograkh, Son of Rohgahh + Hullbreaker Horror + Mana Crypt
Rimewind Taskmage + Illusionist's Bracers + Mana Crypt
Combo result
Infinite mana permanents you control can produce. Infinite untap of permanents you control.
Prerequisites
All permanents on the battlefield. Illusionist's Bracers attached to Rimewind Taskmage. Rimewind Taskmage does not have summoning sickness. You control at least four snow permanents.