Flying
Landfall — Whenever a land you control enters, create a 0/2 red Dragon Egg creature token with defender and "When this token dies, create a 2/2 red Dragon creature token with flying and ': This token gets +1/+0 until end of turn.'"

Reach
Whenever this creature or another Cat you control enters, you may destroy target artifact or enchantment.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature attacks, it deals 1 damage to target creature an opponent controls.

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When this creature becomes monstrous, create a token that's a copy of this creature. (The token has no counters and isn't monstrous.)

Skip your draw step.
At the beginning of your upkeep, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Trample
This creature gets +10/+10 as long as you control ten or more lands.

Flying, vigilance, menace
Whenever Yennett attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card.

This artifact enters tapped.
Domain — : Add X mana in any combination of colors, where X is the number of basic land types among lands you control.

Exile target nonland permanent. Each player other than its controller creates a token that's a copy of it.

Cleansing Screech deals 4 damage to any target.

Menace
Whenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.
Partner (You can have two commanders if both have partner.)

Flying
Will of the council — When this creature enters, starting with you, each player votes for an artifact, creature, or enchantment card in your graveyard. Return each card with the most votes or tied for most votes to your hand.

Each creature that's a Barbarian, a Warrior, or a Berserker gets +2/+2 and has haste.

Trample
At the beginning of each player's end step, this creature deals 4 damage to that player unless they control a commander.

Flying, lifelink
When this creature enters, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you attacked this turn.

For any number of opponents, destroy target nonland permanent that player controls.

Creature tokens you control have haste.
At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

Flying
: Creatures you control get +1/+0 until end of turn.

When Nazahn enters, search your library for an Equipment card and reveal it. If you reveal a card named Hammer of Nazahn this way, put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.
Whenever an equipped creature you control attacks, you may tap target creature defending player controls.

Flying, double strike
When this creature enters, you may attach any number of Auras and Equipment you control to it.
Other creatures you control get +1/+1 for each Aura and Equipment attached to this creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature dies, return it to its owner's hand.

Flying
Whenever one or more creatures you control attack, you gain 1 life for each attacking creature.

+2: Target creature can't be blocked this turn.
−3: Draw two cards.
−10: Tap all creatures your opponents control. You take an extra turn after this one.

Flying
, Exile this card from your graveyard: Each player discards their hand, then draws seven cards.

Flying
As this creature enters, choose two players.
Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.

Sima Yi's power is equal to the number of Swamps you control.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game.
Create a 4/4 white Angel creature token with flying.

Council's dilemma — Starting with you, each player votes for wild or free. Reveal cards from the top of your library until you reveal a creature card for each wild vote. Put those creature cards onto the battlefield, then shuffle the rest into your library. You may put a permanent card from your hand onto the battlefield for each free vote.

This spell costs less to cast for each opponent you have.
Trample
When this creature enters, each player searches their library for up to two basic land cards, puts them onto the battlefield, then shuffles.

Flying, haste
As this creature enters, secretly choose an opponent.
Reveal the player you chose: Choose new targets for target spell or ability if it's controlled by the chosen player and if it targets you or a permanent you control. Activate only once.

Flying, trample
Whenever O-Kagachi deals combat damage to a player, if that player attacked you during their last turn, exile target nonland permanent that player controls.

Eminence — Whenever you cast another Vampire spell, if Edgar is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.
First strike, haste
Whenever Edgar attacks, put a +1/+1 counter on each Vampire you control.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

When this creature enters, you become the monarch.
All damage that would be dealt to you is dealt to this creature instead.

When this artifact enters, draw three cards.
: Add three mana of any one color.
Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.