Satoru Umezawa + Palinchron + Biting-Palm Ninja

Satoru Umezawa

Palinchron

Biting-Palm Ninja

How it works

1. Declare Biting-Palm Ninja as an attacker.
2. When it isn't blocked, activate up to seven lands you control by tapping them, adding at least 4.
3. Activate Palinchron's ninjutsu ability by paying 2 and returning Biting-Palm Ninja from the battlefield to your hand, putting Palinchron onto the battlefield from your hand tapped and attacking.
4. When Palinchron enters the battlefield, it triggers, untapping up to seven lands.
5. Activate Biting-Palm Ninja's ninjutsu ability by paying 2 and returning Palinchron from the battlefield to your hand, putting Biting-Palm Ninja onto the battlefield from your hand tapped and attacking.
6. Repeat from step 2.
7. If you control up to seven lands that can tap to produce at least 5, this combo nets infinite mana.

This clever loop uses Satoru Umezawa as the foundational bridge, granting every creature in your hand ninjutsu so you can constantly swap your attackers. You begin by sending Biting-Palm Ninja charging in unblocked, then leverage its cheap ninjutsu cost alongside Satoru Umezawa's granted ability to tag in Palinchron. When Palinchron enters the battlefield, its triggered ability untaps your lands to refund your mana, allowing you to alternate bouncing the pair back and forth. Because Biting-Palm Ninja can be ninja-swapped back in for just {2}{B}, the mana generated by the untapping lands outpaces the cost of the loop, resulting in infinite enter-the-battlefield and leave-the-battlefield triggers.