
Boonweaver Giant | Creature | Giant Monk | 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. | Adam Paquette

Resolute Archangel | Creature | Angel | Flying
When Resolute Archangel enters the battlefield, if your life total is less than your starting life total, it becomes equal to your starting life total. | Anthony Palumbo

Seraph of the Masses | Creature | Angel | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Flying
Seraph of the Masses's power and toughness are each equal to the number of creatures you control. | Zoltan Boros

Stormtide Leviathan | Creature | Leviathan | Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack. | Karl Kopinski

Siege Dragon | Creature | Dragon | Flying
When Siege Dragon enters the battlefield, destroy all Walls your opponents control.
Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls. | Karl Kopinski

Hornet Queen | Creature | Insect | Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch. | Martina Pilcerova

Siege Wurm | Creature | Wurm | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Trample | Carl Critchlow