If an attack placed damage counters on Mega Heracross ex last turn, would I do that much extra damage with its "Juggernaut Horn" attack on my turn?
No, it would not. Placing damage counters is not the same as doing damage.
Juggernaut Horn
Mega Heracross ex
- Type
- POKEMON
- HP
- 280
- Energy Type
- Stage
- BASIC
- Retreat Cost
- Weakness
×2- Regulation Mark
- I
- Rarity
- ULTRA_RARE
- Illustrator
- 5ban Graphics
- Set
- Mega Evolution—Phantasmal Flames (PFL)
- Number
- 108/094
Attacks
Juggernaut HornIf this Pokémon was damaged by an attack during your opponent's last turn, this attack does that much more damage.
Mountain RammingDiscard the top 2 cards of your opponent's deck.
Pokémon ex rule
When your Pokémon ex is Knocked Out, your opponent takes 2 Prize cards.
Mega Evolution ex Rule
When your Mega Evolution Pokémon ex is Knocked Out, your opponent takes 3 Prize cards.