Boxing Day

All Sliver creatures have "{T}: This creature deals 2 damage to any target and 3 damage to itself."

All Slivers have "At the beginning of your upkeep, this permanent deals 1 damage to you."

Flash When Renet enters, return each other nonland permanent that entered this turn to its owner's hand.

Sneak {1}{U} (You may cast this spell for {1}{U} if you also return an unblocked attacker you control to hand during the declare blockers step.) Ta...

Flying {R}: This creature gets +1/+0 until end of turn. Suspend 2—{R}{R} Whenever an opponent casts a spell, if this card is suspended, that player...

Sneak {3}{B}{B} First strike Whenever Shark Shredder deals combat damage to a player, put up to one target creature card from that player's graveya...

When an opponent casts a creature spell, if this permanent is an enchantment, this enchantment becomes a 3/4 Gargoyle creature with flying and prot...

Target spell or permanent becomes colorless.

Whenever this Vehicle attacks, put a +1/+1 counter on target creature that crewed it this turn. Then if that creature is a Mutant, Ninja, or Turtle...

Whenever a creature you control with a +1/+1 counter on it leaves the battlefield, create a Mutagen token for each +1/+1 counter on it. (A Mutagen ...

{T}: Exile Mangara and target permanent.

Flying {T}: Add two mana of any one color.

Trample Activated abilities of artifact tokens you control cost {1} less to activate. When Mutagen Man enters, create X Mutagen tokens. (They're ar...

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, this creature deals 2 damage to any ta...

Search your library and/or outside the game for exactly four legendary creature cards you own with different names, then reveal those cards. An opp...

{T}, Sacrifice this creature: Exchange life totals with target opponent. Activate only during your upkeep.

Trample At the beginning of combat on your turn, put a +1/+1 counter on Savanti Romero. Then you draw X cards and lose X life, where X is the numbe...

{T}, Sacrifice this creature: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, ...

Deathtouch Whenever another creature you control enters, you may pay life equal to its power. If you do, put that many +1/+1 counters on it.

This creature enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures.

{X}, {T}: Untap X target lands.

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...

Suspend 3—{2}{B}{B} Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards the...