Masashi Oiso
| Masashi Oiso 大礒 正嗣 | |
|---|---|
| Residence | Hiroshima, Japan |
| Nationality | Japanese |
| Pro Tour debut | 2002 Pro Tour Boston |
| Winnings | US$140,410 |
| Pro Tour wins (Top 8) | 0 (6) |
| Grand Prix wins (Top 8) | 1 (10) |
| Lifetime Pro Points | 248 |
| Planeswalker Level | 46 (Archmage) |
Masashi Oiso (大礒 正嗣) is a Japanese Magic: The Gathering player. He is one of the most successful players to have played on the Pro Tour, being one of only seven players to have reached the top eight six times. Along with Kenji Tsumura, he is the player with the most top eights to have never won a Pro Tour. In 2012 Oiso was voted into the Magic: The Gathering Hall of Fame. His induction was conducted at Pro Tour Return to Ravnica in October 2012.