Cloudstone Curio + Phyrexian Altar + Master of Waves

Prerequisites

• Your devotion to blue is at least three.

Steps

1. 1Cast Master of Waves by paying .
2. 2When Master of Waves enters the battlefield, it and Cloudstone Curio trigger.
3. 3Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
4. 4Resolve the Master of Waves trigger, creating a number of 1/0 Elemental creature tokens equal to your devotion to blue.
5. 5When the Elementals enter the battlefield, Cloudstone Curio triggers that many times.
6. 6Holding priority, activate Phyrexian Altar by sacrificing all Elemental tokens, adding that much .
7. 7Resolve the first Cloudstone Curio trigger, returning Master of Waves to your hand from the battlefield.
8. 8Resolve all remaining Cloudstone Curio triggers, choosing to return nothing to your hand from the battlefield.
9. 9Repeat.
10. 10If your devotion to blue excluding Master of Waves is at least four, this combo will net infinite colored mana.

Effects

• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count