Whenever you cast an instant spell, put a +1/+1 counter on Brass Oracle.
Whenever you cast a sorcery spell, Brass Oracle deals damage to any target equal to its power.

Flying
Whenever another creature enters the battlefield under your control, you may have Bravewing Hero dare 2.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Creatures you control with menace get +1/+0 until end of turn.

Flying
When Breaching Jaxl enters the battlefield, untap target nonland permanent.
Wander {2}{U}

Target attacking creature gets +3/+3 until end of turn. Put a trample counter on that creature.

Haste
Whenever you amp it up, put a +1/+1 counter on Breakbot. It gains first strike until end of turn.

Trample
Breaking Ground must be blocked if able.
{T}: Add {C}.
Spellcharge 9

{VP}{VP}{VP}, Sacrifice Bright-Lights Terrier: Creatures you control gain indestructible until end of turn.

Each player discards their hand, then draws seven cards. Add {R}{R}{R}.

You may cast this spell by paying {1}{R}{R} and exiling X cards with flashback from your graveyard rather than paying its mana cost.
Bring Down the Sky deals X damage to each creature and each planeswalker.

{1}{W}{W}, Exile Bring the House Down from your hand: At the beginning of your next upkeep, you may cast Bring the House Down from exile without paying its mana cost. Activate only as a sorcery.
Destroy all creatures.

Flying
When Bringer of Heliod's Light enters the battlefield, you may bless target creature.

This spell costs {4} more to cast if it's your turn.
Return target nonland permanent to its owner's hand. If it's your turn, return up to two target nonland permanents to their owners' hands instead.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. If this spell's flashback cost was paid, instead search your library for any number of land cards, put them onto the battlefield tapped, then shuffle.
Flashback {3}{W}{U}{B}{R}{G}

Vigilance
Whenever Builder of Monuments enters the battlefield or attacks, put a build counter on it.
{T}, Remove X build counters from Builder of Monuments: Search your library for an artifact or enchantment card with mana value X or less, put it onto the battlefield, then shuffle.

When Bulvem Wardcleanser enters the battlefield, you may destroy target artifact or enchantment.

Reach
Bumbling Bigfoot doesn't untap during your untap step.
Wander {1}{G}{G}

Drop — When Bumping Betta enters the battlefield, if you didn't cast any creature spells during your last turn, return up to one target nonland permanent to its owner's hand.

Choose one —
• Search your library for a land card, put it onto the battlefield tapped, then shuffle.
• Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Buried Colossus enters the battlefield tapped.
{T}: Add {G} or {W}.
{8}{G/W}: Buried Colossus becomes a 8/8 green and white Cyclops creature until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to green and white. Activate only once each turn.

All spells cost {1} more to cast.
Spellcharge 6

Burn Rubber deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn.

Search your library for a basic land card, put that card onto the battlefield, then shuffle. Burning Roots deals X damage to any target, where X is the number of basic land types among lands you control.

When Burning Wisdom enters the battlefield, exile the top card of your library. You may play it until end of turn.
Whenever a source you control deals noncombat damage to an opponent, exile Burning Wisdom. You may play it during your next turn.

Flying, haste
Whenever you cast an instant or sorcery spell with mana value 4 or greater, you may return Burning Witch to its owner's hand. If you do, copy that spell. You may choose new targets for the copy.