Let's take this scenario as an example
Modal spells had been part of the rules for a long time (it wasn't defined yet in Alpha ), but it wasn't until Khans of Tarkir that it was templated in such a way that it was clear in looking at a card what was and wasn't a modal spell (not that many players knew specifically what to look for)
Puppetmon costs 50 DP to evolve to, his stats resemble Vademon and his support effect attacks the DP slot
Additionally, 583 PSA gem mint cards are currently in circulation, so theres ample opportunity to invest
Special Summon 1 "Doppler Token" (Level 5 / ATK/DEF ?/0), with the same Type, Attribute and ATK as the equipped monster
This third Strike-style seems to be in opposition to the Single Strike and Rapid Strike Pokmon, but that makes for an interesting dynamic in and of itself