This type of damage makes the cards ineligible for competitive play in sanctioned tournaments, as it can be detected by the player's touch
It was a mainstay of the game until Fifth Edition, but it has since then only been seen in Time Spiral as a Timeshifted card
Retreat: None Weakness: R Resistance: F ------------------------------------------------------------------------------ Nidoking B10 - Rare Type: Grass Evolution: Stage 2 Evolution (Evolves from Nidorino) Level: 48 HP: 90 GCC - Thrash (30+) Effect: Flip a coin
In other words, your opponent will know the targets of your original spell and your copy when choosing the new targets, if any, for their copy
So, why hasnt it happened yet
Unless there's a hyper-compelling reason not to, I recommend using Fabricate to put the +1/+1 counters onto the Master