By focusing on its third and fourth ability, you can fairly easily mitigate any incoming attacks or hostile interactions or swap over to some politics-play to grant your opponents creatures haste and trample or +1/+1 counters
Combine that with what was (in comparison to Wizards of the Coast ) low printing levels, its easy to see why so few of these exist and why people are willing to pay 3k even for a PSA 7
The ability to cast a first turn Hymn to Tourach though, and later follow up with Ancestral Recall (once blue mana is found) is probably enough card advantage to win, even if we miss a land drop for a couple of turns, so Id roll the dice and keep it
While a blue player would need to hold back mana in early turns to use Compulsion, there are no such restrictions on the Looter
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It has Ninjutsu which reads "Return an unblocked attacker you control to your hand: Put this card into play from your hand tapped and attacking." It also has "pay 1 colorless and 1 black mana: Regenerate Ink- Eyes, Servant of Oni." 12