Displacer Kitten + Palinchron + Mourning

Displacer Kitten

Palinchron

Mourning

How it works

1. Activate up to seven lands you control by tapping them, adding at least 1
2. Cast Mourning by paying its mana cost, targeting Displacer Kitten
3. Displacer Kitten triggers, blinking Palinchron.
4. When Palinchron enters the battlefield, it triggers, untapping up to seven lands.
5. Resolve the Mourning spell.
6. Activate Mourning by paying , returning it from the battlefield to your hand.
7. Repeat.