When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Flying
When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Creatures with power less than Aura Gnarlid's power can't block it.
Aura Gnarlid gets +1/+1 for each Aura on the battlefield.

Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.

Artifact and enchantment spells your opponents cast cost more to cast.
Sacrifice Aura of Silence: Destroy target artifact or enchantment.

: Add .

Haste
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Avalanche Riders enters the battlefield, destroy target land.

Haste
When Avarax enters the battlefield, you may search your library for a card named Avarax, reveal it, and put it into your hand. If you do, shuffle your library.
: Avarax gets +1/+0 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aven Battle Priest enters the battlefield, you gain 3 life.

Flying

Choose one —
• Creatures you control gain lifelink until end of turn.
• Draw a card.
• Put target attacking or blocking creature on top of its owner's library.

When Azra Bladeseeker enters the battlefield, each player on your team may discard a card, then each player who discarded a card this way draws a card.

At the beginning of combat on your turn, you may discard a card. If you do, choose a creature. Whenever that creature deals combat damage to a player this turn, you draw two cards.

Delirium — Backwoods Survivalists gets +1/+1 and has trample as long as there are four or more card types among cards in your graveyard.

When Bala Ged Scorpion enters the battlefield, you may destroy target creature with power 1 or less.

When Balduvian Horde enters the battlefield, sacrifice it unless you discard a card at random.

Lifelink
When Baleful Ammit enters the battlefield, put a -1/-1 counter on target creature you control.

Flying, deathtouch
When Baleful Strix enters the battlefield, draw a card.

First strike
Ballynock Cohort gets +1/+1 as long as you control another white creature.

Kicker (You may pay an additional as you cast this spell.)
If Baloth Gorger was kicked, it enters the battlefield with three +1/+1 counters on it.