Boxing Day

{X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control.

Whenever Terra Ravager attacks, it gets +X/+0 until end of turn, where X is the number of lands defending player controls.

Street Spasm deals X damage to target creature without flying you don't control. Overload {X}{X}{R}{R} (You may cast this spell for its overload co...

Haste Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

When Spitebellows leaves the battlefield, it deals 6 damage to target creature. Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If you...

Enchant creature {2}{W}{W}: Exile enchanted creature and all Auras attached to it. At the beginning of the next end step, return that card to the b...

Slice and Dice deals 4 damage to each creature. Cycling {2}{R} ({2}{R}, Discard this card: Draw a card.) When you cycle Slice and Dice, you may hav...

Kicker {R} (You may pay an additional {R} as you cast this spell.) If this spell was kicked, it has split second. (As long as this spell is on the ...

{3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals d...

{R}: Inferno Titan gets +1/+0 until end of turn. Whenever Inferno Titan enters the battlefield or attacks, it deals 3 damage divided as you choose ...

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

When Fiend Hunter enters the battlefield, you may exile another target creature. When Fiend Hunter leaves the battlefield, return the exiled card t...

Whenever you sacrifice another permanent, you may pay {2}. If you do, Furnace Celebration deals 2 damage to any target.

Choose one or both — • Destroy target artifact. • Destroy target nonbasic land.

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you p...

At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Whenever you cast an instant or sorc...

Wight of Precinct Six gets +1/+1 for each creature card in your opponents' graveyards.

Flying {3}{W}{W}: Return Eternal Dragon from your graveyard to your hand. Activate this ability only during your upkeep. Plainscycling {2} ({2}, Di...

Each player draws X cards.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

Forgotten Cave enters the battlefield tapped. {T}: Add {R}. Cycling {R} ({R}, Discard this card: Draw a card.)

Tranquil Thicket enters the battlefield tapped. {T}: Add {G}. Cycling {G} ({G}, Discard this card: Draw a card.)

Hideaway (This land enters the battlefield tapped. When it does, look at the top four cards of your library, exile one face down, then put the rest...