Arbiter of the Ideal

Flying
Inspired — Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it’s an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

Mortal’s Resolve

Target creature gets +1/+1 and gains indestructible until end of turn. (Damage and effects that say “destroy” don’t destroy it.)

Furnace Celebration

Whenever you sacrifice another permanent, you may pay . If you do, Furnace Celebration deals 2 damage to any target.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can’t be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Toxic Deluge

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Viper’s Kiss

Enchant creature
Enchanted creature gets -1/-1, and its activated abilities can’t be activated.

Spellheart Chimera

Flying, trample
Spellheart Chimera’s power is equal to the number of instant and sorcery cards in your graveyard.

Underworld Cerberus

Underworld Cerberus can’t be blocked except by three or more creatures.
Cards in graveyards can’t be the targets of spells or abilities.
When Underworld Cerberus dies, exile it and each player returns all creature cards from their graveyard to their hand.

Shipbreaker Kraken

: Monstrosity 4. (If this creature isn’t monstrous, put four +1/+1 counters on it and it becomes monstrous.)
When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don’t untap during their controllers’ untap steps for as long as you control Shipbreaker Kraken.

Sporemound

Landfall — Whenever a land you control enters, create a 1/1 green Saproling creature token.

Vedalken Shackles

You may choose not to untap Vedalken Shackles during your untap step.
, : Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped.

Goblin Test Pilot

Flying
: Goblin Test Pilot deals 2 damage to any target chosen at random.

Crypt Incursion

Exile all creature cards from target player’s graveyard. You gain 3 life for each card exiled this way.

Dragonshift

Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying.
Overload (You may cast this spell for its overload cost. If you do, change “target” in its text to “each.”)

Hellrider

Haste
Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it’s attacking.

Miming Slime

Create an X/X green Ooze creature token, where X is the greatest power among creatures you control.