mtg.wtf

Creative Outburst deals 5 damage to any target. Look at the top five cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.
{U/R}{U/R}, Discard Creative Outburst: Create a Treasure token.

Demonstrate
Shuffle your library, then reveal cards from the top of it until you reveal a nonland card. Exile that card and put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost.

Enchant creature
When enchanted creature dies, Creature Bond deals damage equal to that creature's toughness to the creature's controller.

{2}, {T}, Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards.

Creeping Chill deals 3 damage to each opponent and you gain 3 life.
When Creeping Chill is put into your graveyard from your library, you may exile it. If you do, Creeping Chill deals 3 damage to each opponent and you gain 3 life.

Destroy all artifacts.

At the beginning of your upkeep, each player discards a card. Each opponent who discarded a card that shares a card type with the card you discarded loses 3 life.

Destroy target artifact, enchantment, or land.

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand.
Flashback {5}{G}{G}

Creeping Tar Pit enters the battlefield tapped.
{T}: Add {U} or {B}.
{1}{U}{B}: Creeping Tar Pit becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

Exile target card from a graveyard.
Draw a card.

Creosote Heath enters the battlefield tapped.
When Creosote Heath enters the battlefield, it deals 1 damage to target opponent.
{T}: Add {G} or {W}.

At the beginning of each upkeep, put a strife counter on Crescendo of War.
Attacking creatures get +1/+0 for each strife counter on Crescendo of War.
Blocking creatures you control get +1/+0 for each strife counter on Crescendo of War.

Creatures with mountainwalk can be blocked as though they didn't have mountainwalk.

Changeling
Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Put target creature or enchantment card from an opponent's graveyard onto the battlefield under your control.

Commander creatures you own have menace and "This creature gets +X/+0, where X is the number of creature cards in your graveyard."

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

Enchant creature
Enchanted creature gets -1/-1 and can't block.

Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Target creature gets -2/-2 until end of turn.
Flashback—{1}{B}, Pay 3 life.

Choose a creature type. Creatures that aren't of the chosen type get -3/-3 until end of turn.

Choose one —
• Destroy all tokens.
• Destroy all nonland, nontoken permanents.

Target creature gains double strike until end of turn.
When you roll a natural 20, return Critical Hit from your graveyard to your hand.

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog.
Flashback {3}{G}{U}