Boxing Day

A deck can have any number of cards named Shadowborn Apostle. {B}, Sacrifice six creatures named Shadowborn Apostle: Search your library for a Demo...

Sliver creatures you control have "When this creature enters the battlefield, it deals 1 damage to target player or planeswalker and you gain 1 life."

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Sliver creatures you control have flying and haste.

All Sliver creatures have poisonous 1. (Whenever a Sliver deals combat damage to a player, that player gets a poison counter. A player with ten or ...

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its cont...

{U}, {T}, Sacrifice a creature or enchantment: Counter target spell.

Trample, haste Battalion — Whenever Sontaran General and at least two other creatures attack, for each opponent, goad up to one target creature tha...

Deal with the Black Guardian — When Vislor Turlough enters the battlefield, you may have an opponent gain control of it. If you do, it's goaded for...

{T}: Exile the top card of your library. Until your next end step, you may play it. Doctor's companion (You can have two commanders if the other is...

Until end of turn, target Time Lord you control gains "When this creature dies, reveal cards from the top of your library until you reveal a Time L...

Temple of Malice enters the battlefield tapped. When Temple of Malice enters the battlefield, scry 1. {T}: Add {B} or {R}.

Temple of Enlightenment enters the battlefield tapped. When Temple of Enlightenment enters the battlefield, scry 1. {T}: Add {W} or {U}.

You have no maximum hand size. Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice X artifacts. When you sacrifice one or more artifacts th...

Haunted Ridge enters the battlefield tapped unless you control two or more other lands. {T}: Add {B} or {R}.

Rose Tyler gets +1/+1 for each time counter on it. Bad Wolf — Whenever Rose Tyler attacks, put a time counter on it for each suspended card you own...

Vanishing 12 (This enchantment enters the battlefield with twelve time counters on it. At the beginning of your upkeep, remove a time counter from ...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Search your library for a Doctor card, reveal it, put ...

Sisterhood of Karn enters the battlefield with a +1/+1 counter on it. Paradox — Whenever you cast a spell from anywhere other than your hand, doubl...

Paradox — Impending Flux deals X damage to each opponent and each creature they control, where X is 1 plus the number of spells you've cast from an...

Draw two cards, then you may exile a nonland card from your hand with a number of time counters on it equal to its mana value. Then target opponent...

Temple of Malice enters the battlefield tapped. When Temple of Malice enters the battlefield, scry 1. {T}: Add {B} or {R}.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuf...

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}