Boxing Day

Whenever an opponent taps a land for mana, tap all lands that player controls. If a creature an opponent controls attacks, all creatures that oppon...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When Squealing Devil enters the battlefield, you may pa...

Sacrifice Seal of Fire: It deals 2 damage to any target.

{R}, Sacrifice Sandstorm Eidolon: Target creature can't block this turn. Whenever you cast a multicolored spell, you may return Sandstorm Eidolon ...

Flying Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control.

{R}{R}: Rakdos Pit Dragon gains flying until end of turn. {R}: Rakdos Pit Dragon gets +1/+0 until end of turn. Hellbent — Rakdos Pit Dragon has dou...

Destroy target artifact and target enchantment.

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/...

Defender (This creature can't attack.) Whenever Sprouting Phytohydra is dealt damage, you may create a token that's a copy of Sprouting Phytohydra.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1...

{U}: Untap Simic Ragworm.

As long as Flaring Flame-Kin is enchanted, it gets +2/+2, has trample, and has "{R}: Flaring Flame-Kin gets +1/+0 until end of turn."

Target multicolored creature gains double strike until end of turn. Draw a card.

Discard a card at random. If you do, Kindle the Carnage deals damage equal to that card's mana value to each creature. You may repeat this process ...

Kill-Suit Cultist attacks each combat if able. {B}, Sacrifice Kill-Suit Cultist: The next time damage would be dealt to target creature this turn, ...

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.

Gnat Alley Creeper can't be blocked by creatures with flying.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1...

{U}, Sacrifice Enigma Eidolon: Target player mills three cards. Whenever you cast a multicolored spell, you may return Enigma Eidolon from your gra...

Enchant creature Enchanted creature gets +1/+1 for each of its colors.

Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can't, you draw a card.

As an additional cost to cast this spell, pay X life. Each other player loses X life.

Defender, flying {1}{W}: Creatures you control with defender can attack this turn as though they didn't have defender.

Gain control of target monocolored creature. Forecast — {1}{U}, Reveal Govern the Guildless from your hand: Target creature becomes the color or co...