Its nostalgic and collectible value is enormous, and the Korean version allows you to obtain these cards at a more accessible price
It's also one of the best counters against the Red Card, letting you protect your hand against it by dumping your important stuff the moment you see it in the enemy's hand
If you really want a 1/1 creature for four mana that regenerates in black, I can offer you Darkling Stalker, which outclasses Numai Outcast in every way that counts
Suicune ex 94/95 (Rare Holo ex) Right now, this legendary beast sits at the very top of the set, in a near dead heat with Entei ex
Pyrohemia and Pestilence are great for enabling Indoraptors bloodthirst and setting off its enrage ability, dealing damage equal to its power to a random opponent unless they sacrifice a nontoken creature
Vexing Scuttler Hey, your Archaeomancer there is too expensive at four mana