the front side of Bristly Bill, Spine Sower
the back of a classic MtG card
the front side of Devoted Druid
the back of a classic MtG card

Color Identity: G

Initial Card State

  1.  Bristly Bill and Devoted Druid on the battlefield (Devoted Druid without summoning sickness and with five or more +1/+1 counters on it).

Mana Needed

  1. three generic manaone green manaone green mana available.

Steps

  1. Activate Bristly Bill by paying three generic manaone green manaone green mana, doubling the number of +1/+1 counters on each creature you control.
  2. Activate Devoted Druid's first ability by tapping it, adding one green mana.
  3. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  4. Repeat from step 2 four additional times.
  5. Repeat from step 1.

Notes

  1. If Devoted Druid has six or more +1/+1 counters when you begin the combo, it will also get infinite +1/+1 counters which can be removed for infinite green mana.

Results

  1. Infinite green mana.
  2. Infinite +1/+1 counters on certain creatures.
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