Infinite colored mana, Infinite untap of basic lands you control
Activate the basic land with Fertile Ground attached by tapping it, adding at least .
Fertile Ground triggers, adding .
Activate Earthcraft by tapping Horseshoe Crab, untapping the basic land.
Activate Horseshoe Crab by paying , untapping it.
Repeat.
If the basic land is an Island, you may add mana of any color using Fertile Ground's trigger, and you may infinitely repeat steps 3-4 with any other basic land you control.
Component Cards
How It Works
Activate the basic land with Fertile Ground attached by tapping it, adding at least .
Fertile Ground triggers, adding .
Activate Earthcraft by tapping Horseshoe Crab, untapping the basic land.
Activate Horseshoe Crab by paying , untapping it.
Repeat.
If the basic land is an Island, you may add mana of any color using Fertile Ground's trigger, and you may infinitely repeat steps 3-4 with any other basic land you control.