Impossible Girl — If Clara Oswald is your commander, choose a color before the game begins. Clara Oswald is the chosen color. If a triggered ability of a Doctor you control triggers, that ability triggers an additional time. Doctor's companion (You can have two commanders if the other is the Doctor.)

{T}: Add one mana of any color.

Flying, vigilance {2}{W}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. {2}{W}, {T}, Exert this creature: Exile another target creature until this creature leaves the battlefield. (An exerted creature won't untap during your next untap step.)

{T}: Draw three cards. {2}{U}{U}: Return Arcanis to its owner's hand.

Vigilance {2}{W}, {T}: Create a 2/2 white Knight creature token with vigilance. {B}, {T}, Tap X untapped Knights you control: Destroy target creature with power X or less.

If there are ten or more creature cards total in all graveyards, this spell costs {6} less to cast. Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {T}: Destroy target creature. It can't be regenerated.

{W}, {T}, Exert Basri: Create a 1/1 white Cat creature token with lifelink. (An exerted creature won't untap during your next untap step.) Cycling {2}{W} ({2}{W}, Discard this card: Draw a card.) When you cycle this card, Cats you control gain hexproof and indestructible until end of turn.

Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Daxos's toughness is equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Whenever another creature you control enters or dies, you gain 1 life.

Whenever another creature you control enters, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control.

{B}{B}, {T}: Destroy target green creature.

Deathtouch Whenever another creature you control enters, you gain 1 life. Whenever another creature you control dies, each opponent loses 1 life.

Level up {1}{U} ({1}{U}: Put a level counter on this. Level up only as a sorcery.) LEVEL 1-2 0/1 {T}: Draw a card, then discard a card. LEVEL 3+ 0/1 {T}: Draw a card.

Flying {1}{W}{B}, {T}: Destroy target creature or enchantment. {2}{U}: Untap this creature.

Menace {1}{B}, {T}, Pay 1 life: Create a Treasure token. {2}{B}: Target creature gets +2/+0 until end of turn. If mana from a Treasure was spent to activate this ability, that creature also gains deathtouch until end of turn.

{2}, {T}: Exile another target creature you control. You may return that card to the battlefield under its owner's control. If you don't, at the beginning of the next end step, return that card to the battlefield under its owner's control with a vigilance counter and a lifelink counter on it.

{T}: Add {W}.

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

{W}{U}, {T}: Put a bribery counter on target creature you don't control. Its controller draws a card. Creatures with bribery counters on them can't attack or block.

{T}: Add {B}.

Vigilance When Loran enters, destroy up to one target artifact or enchantment. {T}: You and target opponent each draw a card.

{T}: Draw a card, then discard a card.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

{3}{U}, {T}: Exile another target creature you control, then return that card to the battlefield under your control.

When Niko enters, create two Shard tokens. (They're enchantments with "{2}, Sacrifice this token: Scry 1, then draw a card.") {2}, {T}: Exile target nonlegendary creature you control. Shards you control become copies of it until the next end step. Return it to the battlefield under its owner's control at the beginning of the next end step.

{W}{W}, {T}: Destroy target black permanent.

{T}: Add {C}{C}.

You may cast creature spells as though they had flash. Whenever one or more other creatures you control leave the battlefield, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

{T}: Add {U}.

Defender Sokrates has hexproof as long as it's untapped. Sokratic Dialogue — {T}: Until end of turn, target creature gains "If this creature would deal combat damage to a player, prevent that damage. This creature's controller and that player each draw half that many cards, rounded down."

Whenever another creature enters, you gain 1 life.

Whenever another creature enters, you may gain 1 life.

{W}{W}, {T}: Destroy target red permanent.

{T}, Exert this creature: Create a 1/1 white Warrior creature token with vigilance. (An exerted creature won't untap during your next untap step.)

Vigilance Whenever this creature enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad deals 1 damage to each opponent. {1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Vigilance, lifelink {T}, Pay 7 life: Destroy target nonland permanent. Activate only during your turn.