The lifegain is nice, but the card is really all about the sweet additions to the hand
Creature - Human Rogue Color tag templates(None) Tribute Mage When this creature enters, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle
The mechanic, while it wasn't officially named, was called "divvy" in design
Common cards have black expansion symbols
Lands (11) Spells (49) 1 Tendrils of Agony 4 Brainstorm 1 Yawgmoth's Bargain 1 Vampiric Tutor 1 Mystical Tutor 4 Duress 1 Necropotence 1 Mana Vault 1 Wheel of Fortune 1 Sol Ring 1 Demonic Tutor 1 Time Walk 4 Dark Ritual 1 Ancestral Recall 1 Mana Crypt 1 Windfall 1 Timetwister 4 Burning Wish 1 Mind's Desire 1 Memory Jar 3 Chromatic Sphere 1 Demonic Consultation 1 Tinker 1 Black Lotus 1 Mox Diamond 1 Lotus Petal 4 Lion's Eye Diamond 1 Mox Emerald 1 Mox Jet 1 Mox Pearl 1 Mox Ruby 1 Mox Sapphire Long.dec and the numerous descendants like Grim Long derive their name from the archetypes original architect, legendary deckbuilder Mike Long (which, of course, led to Burning Wishs restriction)
Itll also double the cards you already have in hand