These creatures from various blocks all served the same purpose as the Study/Gift, but at the cost of one card and three mana (or four mana in the case of Stinging Barrier)
I always thought that braces had such a constricting and caged look that felt fitting for the creepy feeling of the prompt
It's just a ton of value and keywords stapled onto a 2 mana creature
7 Robin Hood: Champion Of Sherwood Card Number 190/204, Steel Ink Robin Hood: Champion of Sherwood has the Shift mechanic, which means he can be played on top of another Robin Hood or Morph card for only three ink, although even at five ink, this card is a steal
Time Spiral is easily abused and not even close to fair in the normal sense either
These colors have a plethora of creatures with Prowess or Heroic (or pseudo-Heroic, in the case of Tenth District Legionnaire), and the formula is simple: play these creatures, back them up with buff spells - Martial Glory is particularly good - and turn them sideways