Kalonian Hydra [Commander 2016] Incarnation or be destroyed by battle

or be destroyed by battle

as well as monsters in the GY

Set: Soul Fusion Card type: Fusion/Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 2400 "Thunder Dragon" + 1 Thunder monster

Set: HeartGold & SoulSilver: Call of Legends Type: Lightning Rarity: Promo

the original ATK of a monster equipped with this card is doubled

Kalonian Hydra [Commander 2016] Incarnation or be destroyed by battleSet: Commander 2016 Type: Creature Hydra Rarity: Mythic Cost: {3}{G}{G} Trample Kalonian Hydra enters the battlefield with four +1 +1 counters on it. Whenever Kalonian Hydra attacks, double the number of +1 +1 counters on each creature you control. Even baloths fear its feeding time.