Arbor Elf + Pemmin's Aura + Buried in the Garden

Arbor Elf

Pemmin's Aura

Buried in the Garden

How it works

1. Activate Arbor Elf by tapping it, untapping the enchanted Forest.
2. Activate the Forest by tapping it, adding .
3. The triggered ability from the Aura triggers, adding an additional .
4. Activate the Aura attached to Arbor Elf by paying , untapping Arbor Elf.
5. Repeat.
6. Once you have infinite blue mana, you may add other colors in step 3.