Spirit Cairn

Whenever a player discards a card, you may pay . If you do, create a 1/1 white Spirit creature token with flying.

Krosan Reclamation

Target player shuffles up to two target cards from their graveyard into their library.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Breakthrough

Draw four cards, then choose X cards in your hand and discard the rest.

Reborn Hero

Vigilance
Threshold — As long as seven or more cards are in your graveyard, Reborn Hero has “When Reborn Hero dies, you may pay . If you do, return Reborn Hero to the battlefield under your control.”

Accelerate

Target creature gains haste until end of turn.
Draw a card.

Muscle Burst

Target creature gets +X/+X until end of turn, where X is 3 plus the number of cards named Muscle Burst in all graveyards.

Ghastly Demise

Destroy target nonblack creature if its toughness is less than or equal to the number of cards in your graveyard.

Vampiric Dragon

Flying
Whenever a creature dealt damage by Vampiric Dragon this turn dies, put a +1/+1 counter on Vampiric Dragon.
: Vampiric Dragon deals 1 damage to target creature.

Diligent Farmhand

, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

Execute

Destroy target white creature. It can’t be regenerated.
Draw a card.

Demolish

Destroy target artifact or land.

Mystic Enforcer

Protection from black
Threshold — As long as seven or more cards are in your graveyard, Mystic Enforcer gets +3/+3 and has flying.

Mudhole

Target player exiles all land cards from their graveyard.

Manacles of Decay

Enchant creature
Enchanted creature can’t attack.
: Enchanted creature gets -1/-1 until end of turn.
: Enchanted creature can’t block this turn.

Wild Research

: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.
: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

Cetavolver

Kicker and/or (You may pay an additional and/or as you cast this spell.)
If Cetavolver was kicked with its kicker, it enters with two +1/+1 counters on it and with first strike.
If Cetavolver was kicked with its kicker, it enters with a +1/+1 counter on it and with trample.

Circle of Protection: Red

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Sacred Ground

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

Pride of Lions

You may have Pride of Lions assign its combat damage as though it weren’t blocked.