Ainok Artillerist has reach as long as it has a +1/+1 counter on it. (It can block creatures with flying.)

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

: Add .

Baloth Pup has trample as long as it has a +1/+1 counter on it.

First strike, haste

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.

When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.

At end of combat, put a paralyzation counter on each creature blocking or blocked by Dread Wight and tap those creatures. Each of those creatures doesn't untap during its controller's untap step for as long as it has a paralyzation counter on it. Each of those creatures gains ": Remove a paralyzation counter from this creature."

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Each creature you control with any kind of counter on it has art menace. (They can't be blocked except by creatures with two or more visible figures in their art.)

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

: Regenerate Grim Roustabout.

Return target creature card from an opponent's graveyard to the battlefield under their control with a duty counter on it. For as long as that creature has a duty counter on it, it is goaded, can't attack you or a permanent you control, and can't block creatures you control.

Trample

Whenever Liege of the Tangle deals combat damage to a player, you may choose any number of target lands you control and put an awakening counter on each of them. Each of those lands is an 8/8 green Elemental creature for as long as it has an awakening counter on it. They're still lands.

Return target creature card from your graveyard to the battlefield with a mannequin counter on it. For as long as that creature has a mannequin counter on it, it has "When this creature becomes the target of a spell or ability, sacrifice it."

Minas Morgul, Dark Fortress enters the battlefield tapped.

: Add .

, : Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

Myojin of Infinite Rage enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Infinite Rage has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Infinite Rage: Destroy all lands.

Myojin of Night's Reach enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Night's Reach has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Night's Reach: Each opponent discards their hand.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

When Nightkin Ambusher enters the battlefield, target player gets four rad counters.

Nightkin Ambusher can't be blocked as long as defending player has a rad counter.

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Rhox Pummeler enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Rhox Pummeler has trample as long as it has a shield counter on it.

When Shield Broker enters the battlefield, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Kicker (You may pay an additional as you cast this spell.)

Flying, defender

If Skyclave Sentinel was kicked, it enters the battlefield with two +1/+1 counters on it.

As long as Skyclave Sentinel has a +1/+1 counter on it, it can attack as though it didn't have defender.

First strike

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Other Dogs you control have unleash.

Creatures you control with counters on them have haste.

Whenever Tesak, Judith's Hellhound attacks, add for each attacking creature.

Haste

Thunderblust has trample as long as it has a -1/-1 counter on it.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Whenever Xolatoyac, the Smiling Flood enters the battlefield or attacks, put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it.

At the beginning of your end step, untap each permanent you control with a counter on it.