Hang on, I hear you say
It savagely wreaks control and most midrange decks
So, not only do you need to find a 12km egg, but it needs to hatch into a Salandit and that Salandit needs to be female
The 84-card base set runs from Tropius (001/084) to Voltaic Energy (084/084), headlined by set mascot Mega Darkrai ex (048) alongside Mega Delphox ex (008), Mega Zeraora ex (027), Mega Slowbro ex (031), Mega Chandelure ex (038) and Mega Excadrill ex (065), plus Lurantis ex, Wailord ex, Rampardos ex and Morpeko ex
Or imagine if you play this enchantment on turn 4, get a 2/2 for your fourth land drop, then pay your remaining 2 mana to sacrifice a Lander token
If the spell that's copied is modal (that is, it says "Choose one " or the like), the copy will have the same mode