Flying, vigilance, deathtouch, lifelink

At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever a creature deals damage to you, put a gold counter on it.

Each creature with a gold counter on it is a Wall in addition to its other creature types and has defender. (Those creatures can't attack.)

When Aurification leaves the battlefield, remove all gold counters from all creatures.

At the beginning of your precombat main phase, remove all flood counters from Bounty of the Luxa. If no counters were removed this way, put a flood counter on Bounty of the Luxa and draw a card. Otherwise, add {C}{G}{U}.

Celestial Convergence enters the battlefield with seven omen counters on it.

At the beginning of your upkeep, remove an omen counter from Celestial Convergence. If there are no omen counters on Celestial Convergence, the player with the highest life total wins the game. If two or more players are tied for highest life total, the game is a draw.

At the beginning of each upkeep, put a strife counter on Crescendo of War.

Attacking creatures get +1/+0 for each strife counter on Crescendo of War.

Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Flying

Djinn of Wishes enters the battlefield with three wish counters on it.

{2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the top card of your library. You may play that card without paying its mana cost. If you don't, exile it.

{T}: Add one mana of any color. Put an omen counter on Foreboding Statue.

At the beginning of your end step, if there are three or more omen counters on Foreboding Statue, untap it, then transform it.

At the beginning of your precombat main phase, add one mana of any color.

{1}, {T}, Discard a card: Put a study counter on Grimoire of the Dead.

{T}, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

Shroud (This enchantment can't be the target of spells or abilities.)

{X}: Put X tower counters on Helix Pinnacle.

At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.

Hickory Woodlot enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Hickory Woodlot: Add {G}{G}. If there are no depletion counters on Hickory Woodlot, sacrifice it.

Whenever you draw a card, you may put a hoofprint counter on Hoofprints of the Stag.

{2}{W}, Remove four hoofprint counters from Hoofprints of the Stag: Create a 4/4 white Elemental creature token with flying. Activate only during your turn.

Icatian Moneychanger enters the battlefield with three credit counters on it.

When Icatian Moneychanger enters the battlefield, it deals 3 damage to you.

At the beginning of your upkeep, put a credit counter on Icatian Moneychanger.

Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep.

At the beginning of your upkeep, you may put a verse counter on Lilting Refrain.

Sacrifice Lilting Refrain: Counter target spell unless its controller pays {X}, where X is the number of verse counters on Lilting Refrain.

Equipped creature gets +1/+1 for each counter on it.

Equipped permanent isn't a planeswalker and is a creature in addition to its other types. (Loyalty abilities can still be activated.)

Equip planeswalker {1}

Equip {3}

Whenever you draw a card, put a foreshadow counter on Ominous Seas.

Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.

Cycling {2} ({2}, Discard this card: Draw a card.)

{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault.

{T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.

Whenever a creature an opponent controls becomes tapped, put a palliation counter on Palliation Accord.

Remove a palliation counter from Palliation Accord: Prevent the next 1 damage that would be dealt to you this turn.

If you would draw a card, you may put a study counter on Pursuit of Knowledge instead.

Remove three study counters from Pursuit of Knowledge, Sacrifice Pursuit of Knowledge: Draw seven cards.

{2}, {T}: Add one mana of any color. Put a brick counter on Pyramid of the Pantheon.

{T}: Add three mana of any one color. Activate only if there are three or more brick counters on Pyramid of the Pantheon.

At the beginning of your upkeep, you may put a verse counter on Recantation.

{U}, Sacrifice Recantation: Return up to X target permanents to their owners' hands, where X is the number of verse counters on Recantation.

Remote Farm enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Remote Farm: Add {W}{W}. If there are no depletion counters on Remote Farm, sacrifice it.

Ring of Three Wishes enters the battlefield with three wish counters on it.

{5}, {T}, Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle.

Saprazzan Skerry enters the battlefield tapped with two depletion counters on it.

{T}, Remove a depletion counter from Saprazzan Skerry: Add {U}{U}. If there are no depletion counters on Saprazzan Skerry, sacrifice it.

{T}: Add {C}. Put a point counter on Strixhaven Stadium.

Whenever a creature deals combat damage to you, remove a point counter from Strixhaven Stadium.

Whenever a creature you control deals combat damage to an opponent, put a point counter on Strixhaven Stadium. Then if it has ten or more point counters on it, remove them all and that player loses the game.

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

Tome of Legends enters the battlefield with a page counter on it.

Whenever your commander enters the battlefield or attacks, put a page counter on Tome of Legends.

{1}, {T}, Remove a page counter from Tome of Legends: Draw a card.

Enchant creature

When Venarian Gold enters the battlefield, tap enchanted creature and put X sleep counters on it.

Enchanted creature doesn't untap during its controller's untap step if it has a sleep counter on it.

At the beginning of the upkeep of enchanted creature's controller, remove a sleep counter from that creature.

At the beginning of your upkeep, you may put a verse counter on Vile Requiem.

{1}{B}, Sacrifice Vile Requiem: Destroy up to X target nonblack creatures, where X is the number of verse counters on Vile Requiem. They can't be regenerated.