Well, a Planechase card, or oversized MTG, card is essentially two cards laying sideways, put together
Since you can play it during another players turn and at instant speed, you can catch them by surprise
I might flip through more binders and take a quick peek at the bulk for the sake of the seller, but once I know I'm buying the collection, the counting stops
Gimli of the Glittering Caves Heres a mono-red commander thats also a nice creature in an equipment- or legends-matter deck
But if your opponent plays a creature at instant speed that's bigger than the attacking one, it becomes a 2-for-1 since not only will you lose your creature, but you'll need to spend resources to remove the new threat
Those creatures fight each other