As the monster lay dying, it stared into the eyes of the human who slew it
While this is technically interaction, it puts all the control in the hands of your opponents as they get to choose what to sacrifice and discard - they will probably choose the options which are best for them
FINAL FANTASY COMMANDER: RED We already have plenty of effects that punish your opponent for activating abilities, but getting one of those effects stapled to a creature that can grow pretty large and with evasion is pretty sweet
Given that the most common of cards cost 35 Pack Points to craft, while a 3-star card costs 1500 Pack Points to craft, you may be waiting a while to craft the exact cards you need
It's weak point is that it depends on the opponent what can be revived with Normal Spell, which can revive anything, but it can be activated if there are not 3 monsters in GY, so it is also worrisome that there is a slight delay