Homarid Spawning Bed + Mystic Reflection + Phyrexian Altar + Scholar of the Ages

Mana needed: {1}{U}{U}{U}, plus an additional {1} available if Mystic Reflection was not foretold

U identity

Commander legal

The 4 combo pieces

• Homarid Spawning Bed
• Mystic Reflection
• Phyrexian Altar
• Scholar of the Ages

How to execute it

1. Cast Mystic Reflection by paying {1}{U}, causing the next creatures or planeswalkers to enter the battlefield this turn to enter as copies of Scholar of the Ages.
2. Activate Homarid Spawning Bed by paying {1}{U}{U} and sacrificing Scholar of the Ages, creating seven token copies of Scholar of the Ages.
3. Each of the newly created Scholar of the Ages tokens triggers, returning Mystic Reflection and up to thirteen other instant and/or sorcery cards from your graveyard to your hand.
4. Activate Phyrexian Altar six times by sacrificing six Scholar of the Ages tokens, adding {3}{U}{U}{U}.
5. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite magecraft triggers
• Infinite recursion of instant and sorcery cards from your graveyard
• Infinite sacrifice triggers
• Infinite storm count
• Return all instant and sorcery cards from your graveyard to your hand