Many Allies have triggered abilities that look for an Ally entering the battlefield , such as Hara Freeblades ability to get a +1/+1 counter each time you put an Ally into play
If you're buying a high-value 1st Edition holo, the stamp variant is worth checking before you pay
Along for the ride are also special Pokemon cards
Spinerock Tyrant - $107.53 Set: Lorwyn Eclipsed Card #399 Japan Showcase D-Suzuki draws Spinerock Tyrant as a colossal dragon that fills the majority of the card, all fire and fury, wings spread wide over a dark smoky sky
So for example, Charizard is usually a Fire type Pokemon, but in Obsidian Flames it appears as a Dark-type Pokemon, thanks to it also being a Tera Pokemon
It landed during the short lived e-Reader era, so the cards carry those dot codes along the edge, and it handed collectors a genuine run of firsts, like the debut of an EX Rayquaza, the first Dragonite to appear in the EX Series, and the first Charizard Nintendo ever produced after taking the license from Wizards of the Coast (WotC)
