Minsc & Boo, Timeless Heroes is a mythic Legendary Planeswalker — Minsc card from Battle for Baldur's Gate Promos (PCLB), collector number 285p. Current market price: $5.06 (foil $7.50), TCGplayer market prices via Scryfall.
When Minsc & Boo enters and at the beginning of your upkeep, you may create Boo, a legendary 1/1 red Hamster creature token with trample and haste. +1: Put three +1/+1 counters on up to one target creature with trample or haste. −2: Sacrifice a creature. When you do, Minsc & Boo deals X damage to any target, where X is that creature's power. If the sacrificed creature was a Hamster, draw X cards. Minsc & Boo, Timeless Heroes can be your commander.