One of mill's weaknesses is that you might enable your opponents' powerful graveyard strategies, so Ashiok, Dream Render alleviates that concern
At six Strength, he can also take down locations like The Queen's Castle in one hit, provided you have a Ling, Imperial Soldier in play
FIN Magic: The GatheringFINAL FANTASY 15 - Uncommon - English EN Card Name Mana Cost Type Creature Moogle Rarity Uncommon rules Text FlyingWhen this creature enters, search your library and/or graveyard for an artifact card with mana value 2 or less, reveal it, and put it into your hand
Images via WotC, Magic: The Gathering
Overall I think Engineer offers more impact and more power yet both suffer the same issue of being coloured three drops that take a little while to proffer a good return
Magic: The Gathering returns to gothic horror with Innistrad Remastered, and what does blue mean in gothic horror