Tree Otter [BP03-EN062] Common XY57 Set: Sword & Shield: Darkness

Set: Sword & Shield: Darkness Ablaze Type: Lightning Rarity: Rare

Set: Ancient Prophecy Card type: Synchro/Effect Monster Rarity: Super Rare Attack: 2500 Defense: 1200 "Plaguespreader Zombie" + 2 or more non-Tuner Zombie-Type monsters

Set: New Awakening Card type: Digimon Rarity: Rare Digi type: Dragonkin Play Cost: 5 Form: Armor Form Attribute: Free Digivolve Cost: 3 Digivolve Cost Level: 3 Digivolve: 2 from [Veemon]

Set: Crossroads of Chaos Card type: Tuner Monster Rarity: Super Rare Attack: 200 Defense: 300 You can discard this card to make any effect damage you take this turn 0

also it cannot be destroyed by battle or card effects

Tree Otter [BP03-EN062] Common XY57 Set: Sword & Shield: DarknessSet: Battle Pack 3: Monster League Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 100 Once per turn: You can target 1 face up monster you control; it gains 1000 ATK until the end of this turn. You must control a Beast Type monster (other than this card) to activate and to resolve this effect.