Raksha Golden Cub

Vigilance
As long as Raksha Golden Cub is equipped, Cat creatures you control get +2/+2 and have double strike.

Tears of Rage

Cast this spell only during the declare attackers step.
Attacking creatures you control get +X/+0 until end of turn, where X is the number of attacking creatures. Sacrifice those creatures at the beginning of the next end step.

Goblin Mountaineer

Mountainwalk (This creature can’t be blocked as long as defending player controls a Mountain.)

Threaten

Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn. (It can attack and this turn.)

Natural Affinity

All lands become 2/2 creatures until end of turn. They’re still lands.

Holy Day

Prevent all combat damage that would be dealt this turn.

Yawgmoth Demon

Flying (This creature can’t be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)
At the beginning of your upkeep, you may sacrifice an artifact. If you don’t, tap Yawgmoth Demon and it deals 2 damage to you.

Pithing Needle

As Pithing Needle enters the battlefield, choose a card name.
Activated abilities of sources with the chosen name can’t be activated unless they’re mana abilities.

Kiku’s Shadow

Target creature deals damage to itself equal to its power.

Spiritual Visit

Create a 1/1 colorless Spirit creature token.
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card’s effects to that spell.)

Exile into Darkness

Target player sacrifices a creature with converted mana cost 3 or less.
At the beginning of your upkeep, if you have more cards in hand than each opponent, you may return Exile into Darkness from your graveyard to your hand.

Sakura-Tribe Springcaller

At the beginning of your upkeep, add . Until end of turn, you don’t lose this mana as steps and phases end.

Ronin Warclub

Equipped creature gets +2/+1.
Whenever a creature enters the battlefield under your control, attach Ronin Warclub to that creature.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Shinka Gatekeeper

Whenever Shinka Gatekeeper is dealt damage, it deals that much damage to you.

Flametongue Kavu

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

Zzzyxas’s Abyss

At the beginning of your upkeep, destroy all nonland permanents with the first name alphabetically among nonland permanents.

Midnight Covenant

Enchant creature
Enchanted creature has “: This creature gets +1/+1 until end of turn.”

Consuming Vortex

Return target creature to its owner’s hand.
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card’s effects to that spell.)

Kiki-Jiki, Mirror Breaker

Haste
: Create a token that’s a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.