When Arboreal Alliance enters the battlefield, create an X/X green Treefolk creature token.

Whenever you attack with one or more Elves, populate. (Create a token that’s a copy of a creature token you control.)

Create a 3/3 green Centaur creature token, then populate. (Create a token that’s a copy of a creature token you control.)

At the beginning of combat on your turn, populate. The token created this way gains haste. Sacrifice it at the beginning of the next end step. (To populate, create a token that’s a copy of a creature token you control.)

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that’s a copy of a creature token you control.)

Create a 1/1 white Bird creature token with flying, then populate. (Create a token that’s a copy of a creature token you control.)

Populate X times. (To populate, create a token that’s a copy of a creature token you control. Do this X times.)

When Ghired, Conclave Exile enters the battlefield, create a 4/4 green Rhino creature token with trample.

Whenever Ghired attacks, populate. The token enters the battlefield tapped and attacking. (To populate, create a token that’s a copy of a creature token you control.)

Ghired’s Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that’s a copy of a creature token you control.)

At the beginning of your upkeep, populate. (Create a token that’s a copy of a creature token you control.)

Create a 4/4 green Rhino creature token with trample, then populate. (Create a token that’s a copy of a creature token you control.)

Whenever a nontoken creature with power 4 or greater enters the battlefield under your control, populate. (Create a token that’s a copy of a creature token you control.)

Flying

At the beginning of combat on your turn, populate. (Create a token that’s a copy of a creature token you control.)

Whenever a creature token enters the battlefield under your control, put a +1/+1 counter on Nesting Dovehawk.

At the beginning of your end step, you may sacrifice a non-Demon creature. If you do, populate. (Create a token that’s a copy of a creature token you control.)

Sacrifice a non-Demon creature. If you do, create a 4/3 white and black Vampire Demon creature token with flying.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that’s a copy of a creature token you control.)

When Scion of Vitu-Ghazi enters the battlefield, if you cast it from your hand, create a 1/1 white Bird creature token with flying, then populate. (Create a token that’s a copy of a creature token you control.)

{2}{G}: Exile target creature card from a graveyard, then populate. (Create a token that’s a copy of a creature token you control.)

Whenever you cast a spell, populate. (Create a token that’s a copy of a creature token you control.)

Destroy target artifact or enchantment, then populate. (Create a token that’s a copy of a creature token you control.)

Whenever another creature enters the battlefield under your control, you gain life equal to that creature’s toughness.

{1}{G}{W}, {T}: Populate. (Create a token that’s a copy of a creature token you control.)

Exile target creature, then populate. (Create a token that’s a copy of a creature token you control.)

{4}{G}{W}: Create a 3/3 green Centaur creature token.

{2}{G}{W}: Populate. (Create a token that’s a copy of a creature token you control.)

Populate. (Create a token that’s a copy of a creature token you control.)

Wayfaring Temple’s power and toughness are each equal to the number of creatures you control.

Whenever Wayfaring Temple deals combat damage to a player, populate. (Create a token that’s a copy of a creature token you control.)

{T}, Remove a counter from another permanent you control: Populate. Activate only as a sorcery. (Create a token that’s a copy of a creature token you control.)

{T}, Sacrifice another creature: Proliferate. Activate only as a sorcery. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)