Yomiji, Who Bars the Way + Morophon, the Boundless + The First Sliver + Phyrexian Altar

Prerequisites

• "Sliver" chosen with Morophon.

Steps

1. 1Activate Phyrexian Altar by sacrificing The First Sliver, adding one mana of any color.
2. 2Yomiji triggers, returning The First Sliver from your graveyard to your hand.
3. 3Cast The First Sliver for .
4. 4Resolve the First Sliver's cascade ability.
5. 5The First Sliver enters the battlefield.
6. 6Repeat.

Effects

• Cast a subset of spells in your library
• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count