As Black Vise enters, choose an opponent.

At the beginning of the chosen player's upkeep, Black Vise deals X damage to that player, where X is the number of cards in their hand minus 4.

Flying

Clockwork Avian enters with four +1/+0 counters on it.

At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Colossus of Sardia doesn't untap during your untap step.

: Untap Colossus of Sardia. Activate only during your upkeep.

First strike

At the beginning of your upkeep, destroy Cosmic Horror unless you pay . If Cosmic Horror is destroyed this way, it deals 7 damage to you.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay ."

Enchant enchantment

At the beginning of the upkeep of enchanted enchantment's controller, Feedback deals 1 damage to that player.

Island Fish Jasconius doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Island Fish Jasconius.

Island Fish Jasconius can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Island Fish Jasconius.

Flying

At the beginning of your upkeep, sacrifice Junún Efreet unless you pay .

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Enchant artifact

Whenever you're dealt damage, put that many vitality counters on Living Artifact.

At the beginning of your upkeep, you may remove a vitality counter from Living Artifact. If you do, you gain 1 life.

Blue creatures don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

At the beginning of your upkeep, Mishra's War Machine deals 3 damage to you unless you discard a card. If Mishra's War Machine deals damage to you this way, tap it.

Enchant creature

When Paralyze enters, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may pay . If the player does, untap the creature.

Enchant enchantment

At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

As Shapeshifter enters, choose a number between 0 and 7.

At the beginning of your upkeep, you may choose a number between 0 and 7.

Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number.

At the beginning of your upkeep, sacrifice Sunken City unless you pay .

Blue creatures get +1/+1.

As The Rack enters, choose an opponent.

At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand.

Enchant creature

At the beginning of the upkeep of enchanted creature's controller, Wanderlust deals 1 damage to that player.

: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.