Creatures you control with power or toughness 1 or less can't be blocked.

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Jaya's Immolating Inferno deals X damage to each of up to three targets.

Whenever a permanent becomes untapped, that permanent's controller mills a card.

Equipped creature gets +2/+0 and has menace.
Whenever equipped creature attacks, defending player sacrifices a creature of their choice. If they do, you create a Walker token.
Equip

Add two mana in any combination of colors.
Draw a card.

: Add . When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Trample
This creature enters with X +1/+1 counters on it.
When this creature enters, choose one —
• Double the number of +1/+1 counters on this creature.
• This creature fights target creature you don't control.

As an additional cost to cast this spell, sacrifice a creature.
Creatures you control gain indestructible until end of turn. Put a +1/+1 counter on each creature you control. (Damage and effects that say "destroy" don't destroy those creatures.)

Whenever a player casts a spell with mana value 3 or less, this creature deals 2 damage to that player.

This creature enters with X +1/+1 counters on it.
At the beginning of your upkeep, double the number of +1/+1 counters on this creature.
This creature has trample as long as it has ten or more +1/+1 counters on it.

All Slivers have shroud. (They can't be the targets of spells or abilities.)

Add .
Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

, : Add .

Artifact spells you cast cost less to cast.

All Sliver creatures get +1/+1.

Distract the Horde — Whenever a player attacks one of your opponents, that attacking player creates a tapped 1/1 black Fungus Zombie creature token named Cordyceps Infected that's attacking that opponent.
Partner—Survivors (You can have two commanders if both have this ability.)

Activated abilities of artifacts can't be activated.

: Put a +1/+1 counter on target creature you control.
Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on this enchantment.
At the beginning of your upkeep, if this enchantment has twenty or more growth counters on it, you win the game.

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

, : Add .

Destroy target creature or planeswalker.

This creature enters with X +1/+1 counters on it.
If one or more +1/+1 counters would be put on another creature you control, that many plus one +1/+1 counters are put on it instead.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on another target creature you control.

+1: Draw a card, then discard a card at random.
−4: Tibalt deals damage equal to the number of cards in target player's hand to that player.
−6: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

You draw two cards and lose 2 life.

Players have no maximum hand size.
, : Each player draws X cards.
, : Each opponent mills cards equal to the number of cards in their hand.

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add .
Whenever an opponent discards a noncreature, nonland card, draw a card.

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Destroy target nonartifact creature.

, : Scry 1, then draw a card. This ability costs less to activate for each legendary creature you control.

At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand.

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

When this creature enters, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
, : You may put an Equipment card from your hand onto the battlefield.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters or dies, create a 1/1 red Goblin creature token.