Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature attacks, other Knights you control get +1/+0 until end of turn.

Acidic Soil deals damage to each player equal to the number of lands they control.

Firebolt deals 2 damage to any target. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

This creature enters with two +1/+1 counters on it. {X}, {T}: Remove all +1/+1 counters from this creature and put X +1/+1 counters on it.

Whenever this creature attacks, you may have it get +4/+0 until end of turn. If you do, sacrifice it at the beginning of the next end step.

Celebration — At the beginning of combat on your turn, if two or more nonland permanents entered the battlefield under your control this turn, target creature you control gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

{0}: This creature gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) {1}{B}: Regenerate this creature.

When this creature enters, if {U} was spent to cast it, return target creature to its owner's hand.

Discard a card at random: This creature gets +1/+0 and gains first strike until end of turn.

Pack Rat's power and toughness are each equal to the number of Rats you control. {2}{B}, Discard a card: Create a token that's a copy of this creature.

Body of Knowledge's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. Whenever this creature is dealt damage, draw that many cards.

Flying When this creature dies, learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

Scry 4, then draw two cards.

Each player may exile any number of cards from their graveyard. Then each player loses 1 life for each card in their graveyard. Draw a card.

When this creature enters, if you've cast two or more spells this turn, draw a card. Plot {3}{U} (You may pay {3}{U} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

If X is 1, scry 1, then draw a card. If X is 2, you may choose a player. They return a creature they control to its owner's hand. If X is 3, create a 4/4 blue and red Elemental creature token. If X is 4 or more, do all of the above.

Look at target player's hand. Draw a card.

{1}{R}, Sacrifice this enchantment: It deals 3 damage to each tapped creature and each player.

Whenever this creature blocks, put a +1/+1 counter on it. Remove a +1/+1 counter from this creature: This creature can't be blocked this turn.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {U}.)

({T}: Add {R}.)

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Enchanted creature gets +2/+2 and has "{T}: This creature deals 1 damage to any target."

Whenever a creature dies, put a charge counter on this enchantment. At the beginning of your first main phase, add {B} for each charge counter on this enchantment.

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Imprint — As this Vehicle enters, exile a creature card from a graveyard. Tap two untapped creatures you control: Until end of turn, this Vehicle becomes a copy of the exiled card, except it's a Vehicle artifact in addition to its other types.

Return target creature card from a graveyard to its owner's hand. Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

This spell has flash as long as there are five or more mana values among cards in your graveyard. Return target creature card from your graveyard to the battlefield.

You may cast this spell as though it had flash if you pay {2} more to cast it. For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

{6}, {T}, Sacrifice this artifact: Destroy up to one target artifact, up to one target creature, and up to one target land.

Until end of turn, if one or more creatures would enter from exile or after being cast from exile, their owners shuffle them into their libraries instead. Cycling {2} ({2}, Discard this card: Draw a card.)

Flash When this enchantment enters, draw a card. Creatures lose all abilities. At the beginning of the end step, sacrifice this enchantment.

{4}, {T}, Sacrifice a creature: This artifact deals 4 damage to target creature.

Destroy six target creatures.

When this creature enters, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

You may choose not to untap this creature during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as this creature remains tapped.

{T}: Prevent the next 1 damage that would be dealt to target creature this turn.

Flash Enchant creature or Food Enchanted permanent is a colorless Food artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life" and loses all other card types and abilities.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Create X 1/1 red Goblin creature tokens.