Whenever Rolling Hamsphere attacks, create three 1/1 red Hamster creature tokens, then it deals X damage to any target, where X is the number of Hamsters you control
Neoprene gaming mats are, in my opinion, more of an optional accessory
Collectors must carefully protect their cards to avoid damage because only flawless cards retain their value, which grows over the years
This Secret Lair has a collection of decently valuable MTG commanders, with the gimmick being that they're all Halloween costumes
Other cards may care about which lands are Towns
White has a giant selection of cards that can accomplish boosting up power at instant speed, which allows you to pump Glen after your opponent's declared their flimsy small blockers (or none at all), but before the damage actually goes through