Riddle of Lightning

Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card’s converted mana cost to that permanent or player. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Spawnwrithe

Trample
Whenever Spawnwrithe deals combat damage to a player, create a token that’s a copy of Spawnwrithe.

Crypsis

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

Nessian Demolok

Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)
When Nessian Demolok enters the battlefield, if tribute wasn’t paid, destroy target noncreature permanent.

Kragma Butcher

Inspired — Whenever Kragma Butcher becomes untapped, it gets +2/+0 until end of turn.

Everflame Eidolon

Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
: Everflame Eidolon gets +1/+0 until end of turn. If it’s an Aura, enchanted creature gets +1/+0 until end of turn instead.
Enchanted creature gets +1/+1.

Scarland Thrinax

Sacrifice a creature: Put a +1/+1 counter on Scarland Thrinax.

Prescient Chimera

Flying
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Triad of Fates

, : Put a fate counter on another target creature.
, : Exile target creature that has a fate counter on it, then return it to the battlefield under its owner’s control.
, : Exile target creature that has a fate counter on it. Its controller draws two cards.

Shipwreck Singer

Flying
: Target creature an opponent controls attacks this turn if able.
, : Attacking creatures get -1/-1 until end of turn.

Portent of Betrayal

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Briarpack Alpha

Flash (You may cast this spell any time you could cast an instant.)
When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.

Blur Sliver

Sliver creatures you control have haste. (They can attack and as soon as they come under your control.)

Fiery Fall

Fiery Fall deals 5 damage to target creature.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

Bridge from Below

Whenever a nontoken creature is put into your graveyard from the battlefield, if Bridge from Below is in your graveyard, create a 2/2 black Zombie creature token.
When a creature is put into an opponent’s graveyard from the battlefield, if Bridge from Below is in your graveyard, exile Bridge from Below.

Sarkhan Vol

+1: Creatures you control get +1/+1 and gain haste until end of turn.
−2: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
−6: Create five 4/4 red Dragon creature tokens with flying.

Progenitor Mimic

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has “At the beginning of your upkeep, if this creature isn’t a token, create a token that’s a copy of this creature.”

Hidden Strings

You may tap or untap target permanent, then you may tap or untap another target permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Smelt-Ward Gatekeepers

When Smelt-Ward Gatekeepers enters the battlefield, if you control two or more Gates, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Ashmouth Hound

Whenever Ashmouth Hound blocks or becomes blocked by a creature, Ashmouth Hound deals 1 damage to that creature.

Mind Grind

Each opponent reveals cards from the top of their library until they reveal X land cards, then puts all cards revealed this way into their graveyard. X can’t be 0.

One Thousand Lashes

Enchant creature
Enchanted creature can’t attack or block, and its activated abilities can’t be activated.
At the beginning of the upkeep of enchanted creature’s controller, that player loses 1 life.

Clan Defiance

Choose one or more —
• Clan Defiance deals X damage to target creature with flying.
• Clan Defiance deals X damage to target creature without flying.
• Clan Defiance deals X damage to target player or planeswalker.