best double strike cards mtg One Two Punch: Adding a Theme Double Strike | MagicArena Wiki

It opens up a new avenue for deckbuilding, allowing an affinity-style deck to be less of a tap-out style deck and shift it towards being more reactive

If a creature is about to die to something unrelated to Vampiric Dragon, then go ahead and spend two mana to put your mark on the creature, and then when it dies, you'll get a +1/+1 counter

If you regularly build and pull apart decks for several formats, your sorting needs will be different from someone who only plays a few Standard decks, or from someone thats looking to own at least 1 of each card in a set

There are tons of powerful dragons in Magics history that can warp a Commander game as soon as they hit the table

250 a box, apparently