Chronomaton

Bond Beetle

Creature — Insect (0/1)

When Bond Beetle enters the battlefield, put a +1/+1 counter on target creature.

Slumbering Dragon

Creature — Dragon (3/3)

Flying
Slumbering Dragon can't attack or block unless it has five or more +1/+1 counters on it.
Whenever a creature attacks you or a planeswalker you control, put a +1/+1 counter on Slumbering Dragon.

Elixir of Immortality

Artifact

, : You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Ring of Evos Isle

Artifact — Equipment

: Equipped creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's blue.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Ring of Kalonia

Artifact — Equipment

Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's green.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Ring of Thune

Artifact — Equipment

Equipped creature has vigilance. (Attacking doesn't cause it to tap.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's white.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Ring of Valkas

Artifact — Equipment

Equipped creature has haste. (It can attack and no matter when it came under your control.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Ring of Xathrid

Artifact — Equipment

: Regenerate equipped creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)
At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Primal Clay

Artifact Creature — Shapeshifter (0/0)

As Primal Clay enters the battlefield, it becomes your choice of a 3/3 artifact creature, a 2/2 artifact creature with flying, or a 1/6 Wall artifact creature with defender in addition to its other types. (A creature with defender can't attack.)

Phyrexian Hulk

Artifact Creature — Phyrexian Golem (5/4)

Stuffy Doll

Artifact Creature — Construct (0/1)

Indestructible
As Stuffy Doll enters the battlefield, choose a player.
Whenever Stuffy Doll is dealt damage, it deals that much damage to the chosen player.
: Stuffy Doll deals 1 damage to itself.

War Falcon

Creature — Bird (2/1)

Flying
War Falcon can't attack unless you control a Knight or a Soldier.

Duty-Bound Dead

Creature — Skeleton (0/2)

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
: Regenerate Duty-Bound Dead. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Goblin Arsonist

Creature — Goblin Shaman (1/1)

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Jace's Phantasm

Creature — Illusion (1/1)

Flying
Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Kraken Hatchling

Creature — Kraken (0/4)

Merfolk of the Pearl Trident

Creature — Merfolk (1/1)

Tormented Soul

Creature — Spirit (1/1)

Tormented Soul can't block and can't be blocked.

Warclamp Mastiff

Creature — Dog (1/1)

First strike (This creature deals combat damage before creatures without first strike.)

Quirion Dryad

Creature — Dryad (1/1)

Whenever you cast a spell that's white, blue, black, or red, put a +1/+1 counter on Quirion Dryad.