msem-instigator

Each creature you control gets +1/+1 for each permanent attached to it.

If casting this spell causes a triggered ability of its target to trigger, that ability triggers an additional time.
Target creature gains first strike until end of turn.

Your life total becomes 20.
Coalesce {8}{W}{W}{W}{W} (You may cast this from your graveyard for its coalesce cost. If you do, put it onto the battlefield as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Born Anew's power and toughness are each equal to your life total.

Flying, prowess
When Bound Watcher enters the battlefield, conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

When Boundary Hallowblade enters the battlefield, create a white Aura enchantment token named Consecration Blessing attached to target land. The token has enchant land and “Enchanted land is named Hallowed Ground and has indestructible.”

Whenever Bourasan Street Watch attacks, you may pay {W}. If you do, Bourasan Street Watch gains indestructible until end of turn.

As Brave the Issbarrens enters the battlefield, choose a color.
White creatures you control have protection from the chosen color.

Destroy target artifact or tapped creature.

Exile target creature. You gain 2 life.

When Bridled Narwhal enters the battlefield, you gain 5 life.

Lifelink
When Bright-Eyed Adventurer enters the battlefield, rediscover an enchantment card. (Look at the top card of your library. You may reveal it and put it into your hand if it's an enchantment card. Otherwise, put it back or into your graveyard.)

Spells cost {1} more to cast for each colored mana symbol in their mana cost beyond the first. (For example, a spell with mana cost {W}{W} would cost {1}{W}{W} to cast.)

Flying
When Brilliant Griffin enters the battlefield, target creature gets +2/+2 until end of turn.

Choose one —
• Brimstone Cleansing deals 4 damage to target tapped creature.
• Exile target enchantment.

Flying, vigilance
Protection from Humans (This creature can't be blocked, targeted or dealt damage by Humans.)

Whenever Bristled Wolverine attacks, it gets +1/+1 until end of turn.

Bristling Skoki has first strike as long as it's attacking.
Whenever Bristling Skoki blocks a creature, you may have it deal damage equal to its toughness to that creature.

Distribute three +1/+1 counters among up to three target creatures you control. Those creatures gain first strike until end of turn.

When Broken Spirit enters the battlefield, exile target creature an opponent controls until Broken Spirit leaves the battlefield.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Concord — Whenever Bubbledome Captain attacks, if there are four or more card types among permanents you control, each other attacking creature gets +1/+1 until end of turn.

Untapped creatures you control get +0/+2.

Target creature gets +2/+2 until end of turn. If it's an artifact creature, it gains indestructible until end of turn.

Exile target artifact or enchantment with mana value 4 or less.

({T}: Add {W}.)
Bustling Docks enters the battlefield tapped.
{W}, {T}, Reveal a white card from your hand: Target creature gets +1/+0 until end of turn.

Creatures you control get +0/+1 and can attack as though they didn't have defender.
Whenever three or more creatures you control attack or block, each creature you control assigns combat damage equal to its toughness rather than its power this turn.