Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-2
2/3
: Brimstone Mage deals 1 damage to any target.
LEVEL 3+
2/4
: Brimstone Mage deals 3 damage to any target.

Castle Ardenvale enters the battlefield tapped unless you control a Plains.
: Add .
, : Create a 1/1 white Human creature token.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Enchanted creature gets +2/+2 and has intimidate.

Chandra's Fury deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls.

You may spend mana as though it were mana of any color.
: Add .
, : Draw a card for each color among permanents you control.

Imprint — When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.
: Add one mana of any of the exiled card's colors.

Imprint — When Clone Shell enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom of your library in any order.
When Clone Shell dies, turn the exiled card face up. If it's a creature card, put it onto the battlefield under your control.

Equipped creature gets +3/+3 and has protection from each color that's not in your commander's color identity.
Equip commander
Equip

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.
Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Will of the council — When Council Guardian enters the battlefield, starting with you, each player votes for blue, black, red, or green. Council Guardian gains protection from each color with the most votes or tied for most votes.

At the beginning of your upkeep, reveal the top card of your library. If it's a land card, put it into your graveyard and repeat this process.
Whenever a land card is put into your graveyard from anywhere, put a +1/+1 counter on Countryside Crusher.

Whenever another white creature enters the battlefield under your control, tap target creature an opponent controls.

, Exile Cranial Archive: Target player shuffles their graveyard into their library. Draw a card.

Crumbling Necropolis enters the battlefield tapped.
: Add , , or .

Sacrifice Dauntless Escort: Creatures you control gain indestructible until end of turn.

Flying, lifelink
Heroic — Whenever you cast a spell that targets Dawnbringer Charioteers, put a +1/+1 counter on Dawnbringer Charioteers.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Sacrifice an artifact or creature: Put a +1/+1 counter on Defiant Salvager. Activate this ability only any time you could cast a sorcery.

Destroy target artifact or land.

As long as it's your turn, this spell costs less to cast.
End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)