the front side of Druid's Call
the back of a classic MtG card
the front side of Cathars' Crusade
the back of a classic MtG card
the front side of Walking Ballista
the back of a classic MtG card
the front side of Branching Evolution
the back of a classic MtG card

Color Identity: G, W

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Druid's Call
    Druid's Call
    attached to
    Walking Ballista
    Walking Ballista
    .
  2. Walking Ballista
    Walking Ballista
    has at least three +1/+1 counters.

Steps

  1. Activate
    Walking Ballista
    Walking Ballista
    's first ability by removing a +1/+1 counter from it, dealing 1 damage to itself.
  2. Druid's Call
    Druid's Call
    triggers, creating a 1/1 Squirrel creature token.
  3. The Squirrel enters the battlefield, triggering
    Cathars' Crusade
    Cathars' Crusade
    , putting two +1/+1 counters on each creature you control.
  4. Repeat.

Results

  1. Infinite +1/+1 counters.
  2. Infinite creature tokens.
  3. Infinite ETB.

Metadata

  1. In 7 decks according to EDHREC.
footer