+arcane (21)
Whenever a creature enters the battlefield, Aether Flash deals 2 damage to it.
, : Draw a card.
Each player can't cast more than one spell each turn.
Trample
When Cinderheart Giant dies, it deals 7 damage to a creature an opponent controls chosen at random.
: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
, : Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
: Fathom Fleet Firebrand gets +1/+0 until end of turn.
Draw two cards. Then you may discard a nonland card. When you do, Hypothesizzle deals 4 damage to target creature.
Flying
You may pay rather than pay the mana cost for spells you cast.
: Add one mana of any color.
, , Sacrifice Letter of Acceptance: Draw a card.
Whenever you cast an Adventure or Dragon spell, Lozhan, Dragons' Legacy deals damage equal to that spell's mana value to any target that isn't a commander.
Whenever an opponent casts or copies an instant or sorcery spell, they lose 1 life.
Counter target noncreature spell.
, : You may cast an instant or sorcery spell from your hand without paying its mana cost.
: Prodigal Pyromancer deals 1 damage to any target.
: Prodigal Sorcerer deals 1 damage to any target.
Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.
Draw a card.
Whenever Scroll Thief deals combat damage to a player, draw a card.
Whenever you cast a noncreature spell, put a +1/+1 counter on Spellgorger Weird.
Look at the top four cards of your library. You may reveal up to two instant and/or sorcery cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.
, : Counter target spell unless its controller pays .
Gatherer works better in the Companion app!
: Add one mana of any color.
, , Sacrifice Letter of Acceptance: Draw a card.