TDOANE was developed by Kaiba Corporation, the same organization currently developing real duel disks
Oubliette plays like a stronger Oblivion Ring, since it also phases out all auras and equipments on the creature it targets
Rather, a second "reflexive" ability triggers when you pay 2 life this way
As these examples show, the complexity of paying an alternative cost can range from very simple (pretty much like casting the creature normally from your hand, like when evoking, warping, or overloading), to requiring a bit of work (like flashback requiring the spell to be in your graveyard), to demanding very precise timing (such as madness)
You can only use 1 "Trivikarma" effect per turn, and only once that turn
However, its most intriguing boss monster has been left in the past, as Constellar Ptolemy M7 is unfortunately power crept