Three reasonable approaches, depending on what you want: Opening for the experience : release week is the moment singles prices are at maximum, so hits are worth the most right now, and the community moment only happens once

Antiquities Square Cut (Misprinted Back) 1994 - Metal Cards, Press Checks and Production Anomalies Champions of Kamigawa Textless Cards - Metal Cards, Press Checks and Production Anomalies Fallen Empires (Wyvern Back) 1994 - Metal Cards, Press Checks and Production Anomalies Green Scrap Sheet (MTG Back) - Metal Cards, Press Checks and Production Anomalies Metal Cards - Metal Cards, Press Checks and Production Anomalies Mirage Japanese (Amstel Beer Back) - Metal Cards, Press Checks and Production Anomalies Nemesis Textless Cards - Metal Cards, Press Checks and Production Anomalies Number Cards (From Fifth Edition Simpliflied Chinese Boosters) 1998 - Metal Cards, Press Checks and Production Anomalies Pokemon German Cards Square Cut (MTG Back) 1999 - Metal Cards, Press Checks and Production Anomalies Scourge Theme Decks (Harry Potter Back) 2003 - Metal Cards, Press Checks and Production Anomalies Unlimited (Unlimited - Antiquities back) With Round Corners 1993-1994 - Metal Cards, Press Checks and Production Anomalies Urza's Destiny Textless Common Cards (Round Corners) 1999 - Metal Cards, Press Checks and Production Anomalies Urza's Destiny Textless Uncommon Cards (Round Corners) 1999 - Metal Cards, Press Checks and Production Anomalies Urza's Destiny Textless Rare Cards (Round Corners) 1999 - Metal Cards, Press Checks and Production Anomalies Urza's Destiny Textless Promos 1999 - Metal Cards, Press Checks and Production Anomalies Urza's Saga / Fourth Edition Textless Promos 1999 - Metal Cards, Press Checks and Production Anomalies

In the final story arc, he is revealed to be a spirit from the afterlife who is bound to the Millennium Stone and constantly reincarnating to guard it until the Pharaoh returns, as the physical body of his current incarnation was destroyed by Dark Bakura
The fact that it costs eight mana also hardly seems like a concern, given how easily green can pull ahead of other colors with land ramp and mana dorks