Pattern of Rebirth Potential incarnate
Card Name Halsin, Emerald Archdruid Mana Cost Type Legendary Creature Elf Druid Rarity Uncommon rules Text : Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types.Choose a Background (You can have a Background as a second commander.) P/T Set Number 234 Language Portugus Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (6/10/2022) Choose a Background is a variant of the partner ability
This distinction is important if you find yourself in a position where you need to keep an opponents planeswalker in check but still want to tick up your counters
You definitely love to see it
You could Stand to keep your Commander from dying to lethal damage or to retain a vital tool after a damage-based mass removal spell like Earthquake
That said, Ive mostly seen it as a reanimation enabler more than anything else