If the gift wasn't promised, return that creature to the battlefield under its owner's control with a +1/+1 counter on it at the beginning of the next end step
Torture Pit is a room that only adds two damage, but that damage is only dealt to opponents, not yourself
Kai Budde won the Extended Pro Tour with his Necropotence-less blue-red deck
According to precised measurements, they are: 3.46457" x 4.96063" (8.8 cm x 12.6 cm)
For serious sellers, the best advice I can give you is to research and track market trends using the online tools I provided to chart sales history regularly, so you can set optimal pricing for your cards
Check out Descendants Fury, For the Ancestors, and Titan of Littjara