Whenever Angelic Cub becomes the target of a spell or ability for the first time each turn, put a +1/+1 counter on it.

As long as Angelic Cub has three or more +1/+1 counters on it, it has flying.

Target creature or planeswalker you control gains protection from colorless or from the color of your choice until end of turn. If it’s a creature, put a +1/+1 counter on it. (It can’t be blocked, targeted, dealt damage, enchanted, or equipped by anything with that quality.)

Flying

When Angelic Quartermaster enters the battlefield, put a +1/+1 counter on each of up to two other target creatures.

Flying

Whenever another permanent you control leaves the battlefield, if it had counters on it, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Enchant creature

Enchanted creature has “Whenever this creature attacks, create a 1/1 green Squirrel creature token. Put a +1/+1 counter on that token for each Aura and Equipment attached to this creature other than Animal Friend.”

{T}: Add {C}.

{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Whenever one or more +1/+1 counters are put on a permanent you control, you may pay {1}. If you do, create a 1/1 colorless Servo artifact creature token.

{3}, {T}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind.

Flying

Whenever a creature attacks, you may pay {3}. When you do, put a +1/+1 counter on that creature.

Trample

Ward {2}

Ochre Jelly enters the battlefield with X +1/+1 counters on it.

Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that’s a copy of it at the beginning of the next end step. The token enters the battlefield with half that many +1/+1 counters on it, rounded down.

When Oran-Rief Ooze enters the battlefield, put a +1/+1 counter on target creature you control.

Whenever Oran-Rief Ooze attacks, put a +1/+1 counter on each creature you control with a +1/+1 counter on it.

Flying, vigilance

When Ao, the Dawn Sky dies, choose one —

• Look at the top seven cards of your library. Put any number of nonland permanent cards with total mana value 4 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

• Put two +1/+1 counters on each permanent you control that’s a creature or Vehicle.

Flying

{3}: Paragon of Modernity gets +1/+1 until end of turn. If exactly three colors of mana were spent to activate this ability, put a +1/+1 counter on it instead.

Multikicker {1}{W} (You may pay an additional {1}{W} any number of times as you cast this spell.)

Flying

Apex Hawks enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Flying

Corrupted — As long as an opponent has three or more poison counters, Apostle of Invasion has double strike.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{G}: Target creature with a +1/+1 counter on it gains reach until end of turn. (It can block creatures with flying.)

Vigilance

Whenever Aragorn and Arwen, Wed enters the battlefield or attacks, put a +1/+1 counter on each other creature you control. You gain 1 life for each other creature you control.

Whenever the Ring tempts you, if you chose a creature other than Aragorn, Company Leader as your Ring-bearer, put your choice of a counter from among first strike, vigilance, deathtouch, and lifelink on Aragorn.

Whenever you put one or more counters on Aragorn, put one of each of those kinds of counters on up to one other target creature.

Put a +1/+1 counter on target creature. That creature gains reach until end of turn.

Target creature gets +3/+3 and gains reach and trample until end of turn.

You get a one-time boon with “When you cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter, reach counter, and trample counter on it.”

{2}, {T}, Sacrifice a land: Draw a card and put a charge counter on Arcane Spyglass.

Remove three charge counters from Arcane Spyglass: Draw a card.