Estrid, the Masked + Sanctum of Eternity

Prerequisites

• Estrid and Estrid has at least two loyalty counters.
• Enchanted permanents you control are able to tap for at least .

Steps

1. 1Activate Estrid's second loyalty ability by removing one loyalty counter, creating a Mask Aura token and attaching it to Sanctum of Eternity.
2. 2Activate Sanctum of Eternity by paying and tapping it, returning Estrid to your hand.
3. 3Activate all other enchanted permanents that can produce at least .
4. 4Cast Estrid by paying .
5. 5Activate Estrid's first loyalty ability by putting two loyalty counters on it, untapping all enchanted permanents you control.

Effects

• Infinite colored mana
• Infinite colorless mana
• Infinite mana enchanted permanents you control can produce