Angelic Enforcer is quite a cool flying angel that doubles your life total and grows proportionally when it attacks, on top of providing you with hexproof
In these matchups, it's good to loosen your standards in order to avoid the disadvantages that come from starting the game down a card
For that reason its unlikely this will ever be available for wider consumption
It happens a lot and even more frequently, the person with no blockers turns into a punching bag for creatures whose abilities trigger off of combat damage or attacking
Assuming your opponent tries to stop it as soon as you lose a flip, with Krark's Thumb out you have a 17.80% chance to drain 31 life (13.35% chance to drain 62!), but unlike most of the other coin flip cards it's not all-or-nothing, you still drain for each previous flip you won
Theres a small amount of token creature generation and trigger copying present as well, but not enough to focus on as your game plan