Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle.

Flying, first strike, vigilance, trample, haste, protection from black and from red

( can be paid with either or 2 life.)
Target creature gets -5/-5 until end of turn.

Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent.
Partner (You can have two commanders if both have partner.)

Vigilance
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
: Draw a card, then discard a card.
, : Copy target instant or sorcery spell you control. You may choose new targets for the copy. Activate only if Kitsa's power is 3 or greater.

Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

: Add one mana of any color in your commander's color identity.

Magecraft — Whenever you cast or copy an instant or sorcery spell, Veyran gets +1/+1 until end of turn.
If you casting or copying an instant or sorcery spell causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Flying, deathtouch
When Dragonlord Silumgar enters, gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar.

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Draw cards equal to the greatest power among creatures you control.
You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

Enchant creature you control
Enchanted creature gets +1/+1 for each creature card in your graveyard and is an Avatar in addition to its other types.
When enchanted creature dies, mill cards equal to its power. Return this card to its owner's hand and up to one creature card milled this way to the battlefield under your control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever this creature deals combat damage to a player, you may draw a card.

(: Add or .)
This land enters tapped unless you control two or more basic lands.

: Add .
, : Put a +1/+1 counter on each creature that entered this turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip

This land enters tapped unless you control a Forest or a Plains.
: Add or .

Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains ": Draw a card."