sv4a booster box Shiny Treasure Pack (sv4a) [JP] Great Tusk and Iron Treads appear as Ancient and Future Pokémon ex Pokemon Card Shiny Tresure ex

Because youre in Black, you can probably benefit from every single one of those downsides, so Rankle can be incredibly powerful in the right decks, and if theyre your commander, then theyre probably in the right deck

Exile effects work because they remove a permanent from the game without destroying it

The black and white with single colour alternate art variant cards seem to be the most valuable, as weve seen with Portgas D

Early on, you get solid black mana production with the added benefit of being indestructible

But if you can second-guess their priorities from that first choice, you can try and follow up in a way which disrupts them