send the top card of your Deck to the Graveyard, then, if it was a monster, inflict damage to your opponent equal to its Level x 200 and Special Summon this card from your hand, otherwise destroy this card
Royal Decree: Same as MST except slower but with a higher ceiling as far as blowout potential
Also, instead of going in the foil-wrapped packs, these 6 extended art cards can only show up in the 3 cellophane-wrapped cards that you get with every box
These cards are usually banned in Yu-Gi-Oh as they encourage unfair sportsmanship, but Last Turn specifically is also banned due to the list of ruling decisions it has next to the card
Consistency: Include cards that increase the likelihood of drawing essential cards and executing your strategy
If used strategically, it can also be used to dodge Targeting Effects as well as a way to interrupt your opponents plays during their turn