Exhaust R, Tap: Loot deals 3 damage to any target
Fake cards often have incorrect dimensions, poor printing, and unusual thickness
You can see where the fused form draws from Cave Dragon and Lesser Fiend -- it's got four hands like the Lesser Fiend, and it's got the Cave Dragon's green-scale-on-top colouration, but the appearance isn't really shared with either one of the two
So, don't be fooled, stick with someone who has been doing it a long time and knows what they are doing
It's an infect staple in formats that have strong infect decks such as Modern and played in Pauper since its a common card
In formats where players regularly do this - like in Legacy, thanks to Brainstorm - this spell acts as a deterrent of sorts, and also balances things out by allowing you to pour as much mana as youd like into your card draw