First strike
Loyalty abilities of planeswalkers your opponents control cost more to activate.

Exile target creature you control, then return that card to the battlefield under its owner's control.
Draw a card.

: This creature gains deathtouch until end of turn.

Deal with the Black Guardian — When Vislor Turlough enters, you may have an opponent gain control of it. If you do, it's goaded for as long as they control it.
At the beginning of your end step, draw a card, then you lose life equal to the number of cards in your hand.
Doctor's companion (You can have two commanders if the other is the Doctor.)

If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type.

, Pay 2 life: The next time a source of your choice would deal damage to you this turn, prevent that damage.

When your commander deals combat damage to a player, if there is no monarch, you become the monarch.
At the beginning of the monarch's end step, that player draws a card.

Creatures you control get +2/+0 until end of turn.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Amplify 3 (As this creature enters, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)
Flying
: This creature deals damage equal to the number of +1/+1 counters on it to any target.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

(: Add .)

(: Add .)

Kicker (You may pay an additional as you cast this spell.)
Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. If this spell was kicked, put two +1/+1 counters on each creature you control.

Whenever you cast an Aura or Equipment spell, put a +1/+1 counter on this creature.
When this creature dies, create X Junk tokens, where X is the number of +1/+1 counters on it. (They're artifacts with ", Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

, Sacrifice a creature: You gain 1 life and draw a card.

Cycling (, Discard this card: Draw a card.)
When you cycle this card, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. (Do this before you draw.)

You may change any targets of target Arcane spell.

, : Target creature gains first strike until end of turn.

Equipped creature gets +2/+0 and has artifact landwalk. (It can't be blocked as long as defending player controls an artifact land.)
Equip

Your devotion to each color and each combination of colors is increased by one.
: Add one mana of any color. If you control a God, a Demigod, or a legendary enchantment, you gain 1 life.