Boxing Day

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Choose target car...

Return target creature card from your graveyard to the battlefield. Flashback—Sacrifice three creatures. (You may cast this card from your graveyar...

Destroy all creatures. They can't be regenerated.

Flash Flying When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's ma...

All Sliver creatures get +1/+1.

When Banishing Light enters the battlefield, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield.

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

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

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

Each land is a Swamp in addition to its other land types.

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...

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat,...

{T}: Add {C}. {1}, {T}: Put a storage counter on Saltcrusted Steppe. {1}, Remove X storage counters from Saltcrusted Steppe: Add X mana in any comb...

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield wit...

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your...

{T}: Add {W}. When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto t...

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

{T}: Each 1/1 creature you control gets +1/+2 until end of turn.

When Nantuko Shaman enters the battlefield, if you control no tapped lands, draw a card. Suspend 1—{2}{G}{G} (Rather than cast this card from your ...

Creatures with no abilities get +2/+2.

Flying; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Suspend 3—{W} (Ra...