When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying.
, Sacrifice two artifacts: Choose one —
• Breya deals 3 damage to target player or planeswalker.
• Target creature gets -4/-4 until end of turn.
• You gain 5 life.

Radiance — Brightflame deals X damage to target creature and each other creature that shares a color with it. You gain life equal to the damage dealt this way.

Exile the top five cards of your library. An opponent separates those cards into two piles. You may play lands and cast spells from one of those piles. If you cast a spell this way, you cast it without paying its mana cost.

Create two 1/1 white Human creature tokens. (Then exile this card. You may cast the creature later from exile.)

Converge — Search your library for a creature, instant, or sorcery card with converted mana cost less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle your library. You may cast that card without paying its mana cost.

Lifelink
, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Trample
You may cast Brokkos, Apex of Forever from your graveyard using its mutate ability.

Whenever another creature enters the battlefield under your control, Bronzebeak Moa gets +3/+3 until end of turn.

: Bronzehide Lion gains indestructible until end of turn.
When Bronzehide Lion dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and ": Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

Flying
When Broodmate Dragon enters the battlefield, create a 4/4 red Dragon creature token with flying.

Creature tokens you control have haste.
At the beginning of combat on your turn, create a 2/1 blue Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

Flying, vigilance
Whenever Bruna, Light of Alabaster attacks or blocks, you may attach to it any number of Auras on the battlefield and you may put onto the battlefield attached to it any number of Aura cards that could enchant it from your graveyard and/or hand.

Whenever Bruse Tarl, Boorish Herder enters the battlefield or attacks, target creature you control gains double strike and lifelink until end of turn.
Partner (You can have two commanders if both have partner.)

Haste
Brushfire Elemental can't be blocked by creatures with power 2 or less.
Landfall — Whenever a land enters the battlefield under your control, Brushfire Elemental gets +2/+2 until end of turn.

Whenever you cast a spell of a type showing on Bucket List, put a counter over that type and draw a card. If all five types on Bucket List have counters over them, sacrifice it and draw one more card.
☐ artifact ☐ creature ☐ enchantment ☐ instant ☐ sorcery

Vigilance, haste

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
: Target creature can't block Burning-Tree Bloodscale this turn.
: Target creature blocks Burning-Tree Bloodscale this turn if able.

When Burning-Tree Emissary enters the battlefield, add .

Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.

Flying
Sacrifice another creature: Butcher of the Horde gains your choice of vigilance, lifelink, or haste until end of turn.