As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

Put X -1/-1 counters on each creature. Shuffle Black Sun's Zenith into its owner's library.

Target player mills eight cards.
Fuse (You may cast one or both halves of this card from your hand.)

Cowards can't block Warriors.
: Choose one that hasn't been chosen this turn —
• This creature gets +1/+1 until end of turn.
• Target creature becomes a Coward until end of turn.
• Target Warrior gains trample until end of turn.

Destroy target attacking creature.

Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Flying
When this creature enters, return a permanent you control to its owner's hand.

Target player sacrifices a creature of their choice.

Whenever this Vehicle attacks, you may sacrifice another artifact or creature. If you do, put a +1/+1 counter on this Vehicle and it gains menace until end of turn.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Cleave (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)
Lantern Flare deals X damage to target creature or planeswalker and you gain X life. [X is the number of creatures you control.]

First strike
Boast abilities you activate cost less to activate for each Dragon you control.
Boast — : Create a 5/5 red Dragon creature token with flying. (Activate only if this creature attacked this turn and only once each turn.)

All Sliver creatures get +1/+1.

: Add one mana of any color.
: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery.

Pack tactics — Whenever this creature attacks, if you attacked with creatures with total power 6 or greater this combat, draw a card.
: Until end of turn, this creature has base power and toughness 5/3, gains trample, and isn't a Human.

When this enchantment enters, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.

Flash
When this creature enters, choose target player. You create a tapped Powerstone token for each nonland card in that player's graveyard that was put there from the battlefield this turn. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, exile the top card of your library. Until end of turn, you may play that card.

Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile.
At the beginning of your end step, choose a card type, then reveal the top two cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Each creature spell you cast costs less to cast if it has mutate.
Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When this creature is turned face up, change the target of target spell or ability with a single target.

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

Flying, haste
: The next instant or sorcery spell you cast this turn costs less to cast, where X is the number of Wizards you control as this ability resolves.

: Add one mana of any color in your commander's color identity.

Vivid — : For each color among permanents you control, add one mana of that color.

Kicker (You may pay an additional as you cast this spell.)
Protection from white
Whenever an opponent discards a card, put a +1/+1 counter on Tourach.
When Tourach enters, if it was kicked, target opponent discards two cards at random.

Whenever this creature attacks, target creature defending player controls with power less than this creature's power can't block this turn.
Domain — : This creature gets +2/+2 until end of turn. This ability costs less to activate for each basic land type among lands you control. Activate only once each turn.

: This creature gains indestructible until end of turn.
When this creature dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and ": Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

Target creature and all other creatures with the same name as that creature get -3/-3 until end of turn.

Flash
Flying
When this creature enters, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many other target artifacts, creatures, and/or enchantments phase out.

: This creature deals 1 damage to any target and 1 damage to you.

Manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by . (During your turn, you may pay and exile it from your hand face down. Cast it on a later turn for its foretell cost.)
Whenever you foretell a card, this creature gets +2/+0 until end of turn.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)
, Sacrifice this creature: Destroy target artifact or enchantment.

+1: Return up to one target land card from your graveyard to your hand.
−1: Wrenn and Six deals 1 damage to any target.
−7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)