Flying
Whenever Balefire Dragon deals combat damage to a player, it deals that much damage to each creature that player controls.

Whenever Bane of Bala Ged attacks, defending player exiles two permanents they control.

At the beginning of your end step, you may reveal the top card of your library. If you do, each opponent loses life equal to that card's converted mana cost.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Barricade Breaker attacks each combat if able.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)
Creatures with power less than Battering Wurm's power can't block it.

Discard your hand. Search your library for three cards and put those cards into your hand. Then shuffle your library.

Each creature you control assigns combat damage equal to its toughness rather than its power.

When Benthicore enters the battlefield, create two 1/1 blue Merfolk Wizard creature tokens.
Tap two untapped Merfolk you control: Untap Benthicore. It gains shroud until end of turn. (It can't be the target of spells or abilities.)

Draw a card for each creature target player controls, then draw a card for each creature another target player controls.

Devoid (This card has no color.)
When Birthing Hulk enters the battlefield, create two 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add ." ( represents colorless mana.)
: Regenerate Birthing Hulk.

Flying
When Bladewing the Risen enters the battlefield, you may return target Dragon permanent card from your graveyard to the battlefield.
: Dragon creatures get +1/+1 until end of turn.

For each opponent, gain control of target permanent that player controls.

Flying
: Untap Blizzard Elemental.

Flying, trample
At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on Blood Tyrant for each 1 life lost this way.
Whenever a player loses the game, put five +1/+1 counters on Blood Tyrant.

Cowards can't block Warriors.
: Target creature becomes a Coward until end of turn.
: Target creature becomes a Warrior until end of turn.

Exile up to five target creature cards from graveyards. An opponent separates those cards into two piles. Put all cards from the pile of your choice onto the battlefield under your control and the rest into their owners' graveyards.

When Boonweaver Giant enters the battlefield, you may search your graveyard, hand, and/or library for an Aura card and put it onto the battlefield attached to Boonweaver Giant. If you search your library this way, shuffle it.

Trample
Whenever Borborygmos deals combat damage to a player, put a +1/+1 counter on each creature you control.

Trample
Borderland Behemoth gets +4/+4 for each other Giant you control.