This spell can't be countered.
Destroy target nonland permanent with converted mana cost 3 or less.

Destroy target creature with flying. You gain 2 life.

Flying
When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands.

Annihilating Fire deals 3 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

, : Target creature gets -2/-0 until end of turn.

Flying
Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

Reach, trample

Trample
When Armada Wurm enters the battlefield, create a 5/5 green Wurm creature token with trample.

Armory Guard has vigilance as long as you control a Gate.

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

First strike, haste
Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.

Destroy target creature. Its controller discards a card.

Target creature gets +4/-4 until end of turn.

Destroy target creature that dealt damage this turn.

Defender
: Add X mana in any combination of colors, where X is the number of creatures with defender you control.

At the beginning of your upkeep, put a filibuster counter on Azor's Elocutors. Then if Azor's Elocutors has five or more filibuster counters on it, you win the game.
Whenever a source deals damage to you, remove a filibuster counter from Azor's Elocutors.

When Azorius Arrester enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

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.

Azorius Guildgate enters the battlefield tapped.
: Add or .