Boxing Day

Converge — Prism Array enters the battlefield with a crystal counter on it for each color of mana spent to cast it. Remove a crystal counter from P...

Protection from red When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or le...

Enchant creature you don't control Enchanted creature can't attack. Whenever an opponent casts a spell, if it has a single target, change the tar...

Flash When Blacklance Paragon enters the battlefield, target Knight gains deathtouch and lifelink until end of turn.

Activated abilities of creatures can't be activated.

Flying Landfall — Whenever a land enters the battlefield under your control, tap target creature an opponent controls. If that land is an Island, ...

Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card...

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, rem...

Equipped creature gets +5/+5. {6}, Exile Tatsumasa, the Dragon's Fang: Create a 5/5 blue Dragon Spirit creature token with flying. Return Tatsumas...

Protection from black and from red When Sanctifier en-Vec enters the battlefield, exile all cards that are black or red from all graveyards. If a b...

Orochi Hatchery enters the battlefield with X charge counters on it. {5}, {T}: Create a 1/1 green Snake creature token for each charge counter on O...

{2}, {T}, Put a blood counter on Bloodletter Quill: Draw a card, then you lose 1 life for each blood counter on Bloodletter Quill. {U}{B}: Remove a...

Colorless Eldrazi spells you cast cost {2} less to cast. {7}, {T}: Search your library for a colorless creature card, reveal it, put it into your h...

Artifact creatures you control get +2/+2.

You may have Vizier of Many Faces enter the battlefield as a copy of any creature on the battlefield, except if Vizier of Many Faces was embalmed, ...

This spell costs {X} less to cast, where X is the total mana value of Dragons you control. Flying, trample {2}{G}, Sacrifice a land: Return Earthqu...

Choose one — • Target creature gets -X/-X until end of turn. You gain X life. • Exile up to twice X target cards from graveyards.

Return all nonland permanents to their owners' hands. If you return four or more nontoken permanents you control this way, you may put a permanent ...

Flying When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's u...

Return target creature to its owner's hand. You create a token that's a copy of that creature.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Target creatu...

Flying Djinn of Wishes enters the battlefield with three wish counters on it. {2}{U}{U}, Remove a wish counter from Djinn of Wishes: Reveal the t...

Vigilance Whenever Bishop of Rebirth attacks, you may return target creature card with mana value 3 or less from your graveyard to the battlefield.

Flash Emerge {5}{U}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When...