How can you create a combo with Quickbeam, Upstart Ent, Devoted Druid, Thopter Squadron, Maskwood Nexus?
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[START OF COMBO]This combo can be formed with Quickbeam, Upstart Ent, Devoted Druid, Thopter Squadron, Maskwood Nexus

Color identity: G
Mana cost: 
Steps:
  1. Activate Devoted Druid's first ability by tapping it, adding {G}.
  2. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  3. Activate Devoted Druid's first ability by tapping it, adding {G}.
  4. Activate Thopter Squadron's first ability by paying {1} and removing a +1/+1 counter from it, creating a 1/1 Thopter artifact creature token.
  5. When the Thopter enters the battlefield as a Treefolk due to Maskwood Nexus, Quickbeam triggers, giving Devoted Druid and up to one other creature +2/+2 until end of turn.
  6. Activate Thopter Squadron's second ability by paying {1} and sacrificing the Thopter, putting a +1/+1 counter on Thopter Squadron.
  7. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinitely large creatures until end of turn except Devoted Druid
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Devoted Druid does not have summoning sickness.
  - Thopter Squadron has at least two +1/+1 counters on it.
[END OF COMBO PREREQUISITES]
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