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.

Cut it down, bury it in snow, put it to the torch. The rose will still bloom again.

Seraph of the Masses

Creature - Angel

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for 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.

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.

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, put four 1/1 green Insect creature tokens with flying and deathtouch onto the battlefield.

Siege Wurm

Creature - Wurm

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

The Rubblefield was once among the wealthiest districts in Ravnica. All it took was a single wurm to reduce it to ruins.

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.