If you have gained a lot of life points with Pontiff and can absorb the damage well with this cushion, Hellish Rebuke is of great use for a wipe
The damage output is very good, but the consequence for landing on tails is downright silly (30 damage to itself.) For the reason it has 100 HP to spare, it ranks lower on this list
Personally, I think I would've started a crowdfunding campaign to take it to a volcano and throw it in
With a cost of 4 mana, it can take you some time to pull her from the command zone, especially if you arent able to draw any ramp cards in the first few turns
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As a baseline, he's a powerful midrange commander who gives great value to tokens decks - but he's also a combo enabler