Wirewood Lodge + Ley Weaver + Jungle Basin + Amoeboid Changeling

Wirewood Lodge

Ley Weaver

Jungle Basin

Amoeboid Changeling

How it works

1. Activate Amoeboid Changeling by tapping it, causing Ley Weaver to become an Elf until end of turn.
2. Activate Jungle Basin by tapping it, adding C
3. Activate Ley Weaver by tapping it, untapping Wirewood Lodge and Jungle Basin.
4. Activate Wirewood Lodge's second ability by paying and tapping it, untapping Ley Weaver.
5. Repeat from step 2