Boxing Day

{T}: Add {C}. {B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Tolaria West enters the battlefield tapped. {T}: Add {U}. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with ma...

Llanowar Reborn enters the battlefield tapped. {T}: Add {G}. Graft 1 (This land enters the battlefield with a +1/+1 counter on it. Whenever a creat...

New Benalia enters the battlefield tapped. When New Benalia enters the battlefield, scry 1. (Look at the top card of your library. You may put that...

Shadow (This creature can block or be blocked by only creatures with shadow.) Forecast — {1}{W}, Reveal Spirit en-Dal from your hand: Target creatu...

Dakmor Salvage enters the battlefield tapped. {T}: Add {B}. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return t...

{X}{X}, {T}: Target player mills X cards. Morph {3} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its m...

Fortified land has indestructible. Whenever fortified land becomes tapped, target creature gets +1/+1 until end of turn. Fortify {3} ({3}: Attach t...

Whenever you cast a spell, creatures you control can't be the targets of spells or abilities your opponents control this turn.

Equipped creature gets +1/+2. Equip {2} Whenever a 1/1 creature enters the battlefield under your control, you may return Sword of the Meek from yo...

Vanishing 1 (This creature enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When t...

All Sliver creatures get +1/+1 for each other Sliver on the battlefield.

Keldon Megaliths enters the battlefield tapped. {T}: Add {R}. Hellbent — {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only ...

Nacatl War-Pride must be blocked by exactly one creature if able. Whenever Nacatl War-Pride attacks, create X tokens that are copies of Nacatl War-...

Creatures with no abilities get +2/+2.

Spend only mana produced by basic lands to cast this spell.

If you control four or fewer lands, search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Cycling—Sacrifice ...

As long as Centaur Omenreader is tapped, creature spells you cast cost {2} less to cast.

Whenever a Forest enters the battlefield, green creatures you control get +1/+1 and gain trample until end of turn. Grandeur — Discard another card...

Regenerate each creature you control.

At the beginning of your upkeep, put a spore counter on Utopia Mycon. Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling c...

Whenever another creature enters the battlefield, exile Saltskitter. Return Saltskitter to the battlefield under its owner's control at the beginni...