Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, this creature can't be blocked this turn."

Haste
When Cloud enters, attach up to one target Equipment you control to it.
Whenever Cloud attacks, draw a card for each equipped attacking creature you control. Then if Cloud has power 7 or greater, create two Treasure tokens.

When Toby enters, create a 4/4 white Beast creature token with "This token can't attack or block alone."
As long as you control four or more creature tokens, creature tokens you control have flying.

Lightning Bolt deals 3 damage to any target.

Return target spell or creature to its owner's hand.

Whenever a player casts a spell they don't own, that player creates a Treasure token.
Whenever a creature deals combat damage to one of your opponents, its controller looks at the top card of that opponent's library and exiles it face down. They may play that card for as long as it remains exiled. Mana of any type can be spent to cast a spell this way.

Creatures with forestwalk can be blocked as though they didn't have forestwalk.

Indestructible (Effects that say "destroy" don't destroy this artifact.)
: Add one mana of any color.

All Sliver creatures get +1/+1.

Create thirteen tapped 2/2 black Zombie creature tokens.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Haste
Whenever this creature attacks, defending player reveals the top card of their library. If it's a land card, that player puts it into their hand.

Trample
Whenever a player casts a spell, put a +1/+1 counter on this creature.

Flying
When this creature enters, you lose 4 life.

Deathtouch
Whenever another creature you control dies, you gain life equal to its toughness.
Whenever you gain life, each opponent loses 1 life.

Put up to three target creature cards from your graveyard on top of your library.

When this enchantment enters, for each opponent, exile up to one target nonland permanent that player controls until this enchantment leaves the battlefield. (Those permanents return under their owners' control.)

Flying
: You may cast target instant or sorcery card from your graveyard this turn. If that spell doesn't target a creature you control, it costs more to cast this way. If that spell would be put into your graveyard, exile it instead. Activate only once each turn. (You still pay the spell's costs. Timing rules for the spell still apply.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

When this creature enters, you may search your library for a creature card, put that card into your graveyard, then shuffle.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. She enters tapped and attacking.)
When Elektra enters, destroy target creature an opponent controls with power 3 or less.