Often runs Soul Spike as a powerful pseudo-burn that also gains its controller life and can be cast for free by exiling two black cards from hand - particularly powerful with Necropotence backing it up
"I will Giant Growth my Phyrexian Hydra, and Soul's FI-YA!" #3 - Goblin Grenade Before Fling, there was Goblin Grenade
The back tends to be a reliable way to check for authenticity , since counterfeiters are usually more concerned with the front of the card
Don't run the terrible ones, please
Others are less convinced, pointing out that the scribbled aesthetic here leaves room for confusion, making the cards less than ideal as actual game pieces
Age counters can force your opponent to sacrifice their precious indestructible baby if they cant keep up with the cumulative upkeep cost, so making something like Mystic Remora indestructible won't achieve much