Lightning Bolt deals 3 damage to any target.

Whenever an opponent attacks one or more planeswalkers you control, put a loyalty counter on each planeswalker you control.
Whenever a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card.

+1: Create a colorless artifact token named Etherium Cell with ", Sacrifice this token: Add one mana of any color."
−2: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control.
−7: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5."

Whenever a blue creature you control enters, you may have target player draw a card.
Whenever a black creature you control enters, you may have target player discard a card.

Each player shuffles the cards from their hand into their library, then draws that many cards.

Barad-dûr enters tapped unless you control a legendary creature.
: Add .
, : Amass Orcs X. Activate only if a creature died this turn.

, : Put a charge counter on this artifact.
, Remove any number of charge counters from this artifact: Add , then add an additional for each charge counter removed this way.

For each of X target permanents, create X tokens that are copies of that permanent.

Return target spell or permanent to its owner's hand. Jeskai Revelation deals 4 damage to any target. Create two 1/1 white Monk creature tokens with prowess. Draw two cards. You gain 4 life.

Enchant player
Whenever a land enchanted player controls enters, you create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Enchant creature
Enchanted creature gets +8/+8 and has trample.

Return target spell to its owner's hand.
Draw a card.

Deathtouch
When Vraska enters, if you control six or more lands, destroy target permanent an opponent controls. They create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")

Put a -1/-1 counter on target creature.

Enchant creature
At the beginning of your upkeep, you may put an infection counter on this Aura.
At the beginning of the upkeep of enchanted creature's controller, this Aura deals X damage to that player, where X is the number of infection counters on this Aura.

You have no maximum hand size.
: Add .

If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead.
Choose a Background (You can have a Background as a second commander.)

Flying
This creature enters with a +1/+1 counter on it.
, Remove a +1/+1 counter from this creature: Destroy target enchantment.

As this artifact enters, choose a color.
Creatures you control of the chosen color get +1/+1.
Whenever a land's ability causes you to add one or more mana of the chosen color, add an additional one mana of that color.

As this enchantment enters, choose Brotherhood or Enclave.
• Brotherhood — At the beginning of your upkeep, each opponent draws a card. You draw a card for each card drawn this way.
• Enclave — Whenever a player attacks you with one or more creatures, that player gets twice that many rad counters.