gamestop pokemon card promo event limited amounts : r/PokemonTCG Attack 2 Koraidon (Gamestop Promo) - Miscellaneous

Since Tragic Slip is an instant and Commander a multiplayer format, creatures will be dying left and right of you, so you can always count on that Morbid ability

The Regent, on the other hand, offers for a relatively low mana cost (2RR) the ability to inflict three points of damage to a player as soon as a dragon becomes the target of an opponents spell or ability

Meanwhile, if possible, it's usually best to try to cast Tainted Indulgence and Thirst for Discovery during our opponent's turn since either one will draw us at least two cards, triggering all of our payoffs

While this is a serious restriction on the mechanic (itd be much more powerful if you got a benefit every time you played a spell), this restriction allows cards to be more aggressively costed