Displacer Kitten, Invasion of Arcavios // Invocation of the Founders, and Dark Ritual

Prerequisites

• Displacer Kitten on the battlefield
• Invasion of Arcavios // Invocation of the Founders on the battlefield
• Dark Ritual in hand
• available

Steps

1. Cast Dark Ritual by paying
2. Displacer Kitten triggers, blinking Invasion of Arcavios
3. When Invasion of Arcavios enters the battlefield, it triggers, searching your library or graveyard for the additional instant or sorcery and putting it into your hand
4. Resolve Dark Ritual, adding
5. Cast the additional instant or sorcery by paying at most
6. Displacer Kitten triggers, blinking Invasion of Arcavios
7. When Invasion of Arcavios enters the battlefield, it triggers, returning Dark Ritual from your graveyard to your hand
8. Resolve the additional instant or sorcery
9. Repeat

Results

• Infinite storm count
• Infinite magecraft triggers
• Infinite black mana
• Infinite casts of the other instant or sorcery with mana cost equal to or less than