Razor Rings

Razor Rings deals 4 damage to target attacking or blocking creature. You gain life equal to the excess damage dealt this way.

Sledding Otter-Penguin

{3}: Put a +1/+1 counter on this creature.

Sokka, Wolf Cove's Protector

Vigilance (Attacking doesn't cause this creature to tap.)

Tundra Wall

Wolf Cove Villager

Capital Guard

Dragon Moose

Haste (This creature can attack and {T} as soon as it comes under your control.)

Explosive Shot

Explosive Shot deals 4 damage to target creature.

Treasure

Dockside Extortionist

When this creature enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Fire Nation Soldier

Fire Nation's Conquest

Iroh, Firebending Instructor

Whenever Iroh attacks, attacking creatures get +1/+1 until end of turn.

Komodo Rhino

Trample (This creature can deal excess combat damage to the player it's attacking.)

Run Amok

Target attacking creature gets +3/+3 and gains trample until end of turn.

Warship Scout

Zhao, the Seething Flame

Menace (This creature can't be blocked except by two or more creatures.)

Avatar: The Last Airbender Eternal