Thunder Dragon Colossus [OP10-EN001] Ultimate Rare AP08-EN003 double the number of +1/+1

double the number of +1/+1 counters on each creature you control

You can send this face-up card you control to the Graveyard to target 1 "Machina Soldier"

Set: Foreign Black Border Type: Creature — Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1/+1 counters on it

They are also known for their hymns to the dead

If this card attacks or is attacked

Thunder Dragon Colossus [OP10-EN001] Ultimate Rare AP08-EN003 double the number of +1/+1Set: OTS Tournament Pack 10 Card type: Fusion Effect Monster Rarity: Ultimate Rare Attack: 2600 Defense: 2400 "Thunder Dragon" + 1 Thunder monster Must be either Fusion Summoned, or Special Summoned during the turn a Thunder monster's effect was activated in the hand, by Tributing 1 Thunder Effect non Fusion Monster (in which case you do not use "Polymerization"). Cards cannot be added from the Main Deck to your opponent's hand except by drawing them.