Each generation adds new ones, often in a specific themed group
(If he does appear early, you can always add him to your inkwell in an emergency.) Thats thanks to Mauis huge challenging power, with both eight strength and eight willpower - enough to banish most characters in the game and live to fight again - as well as the similarly massive three lore he grants on a quest
This was pretty common and utterly game breaking
About two weeks ago, I was attacked by some giant beater, and I activated this, dropped a Gravedigger to block, brought back a big flyer from my graveyard (Hellkite Overlord), and then at the end of the turn, I had swapped a Gravedigger for a large beater and prevented a bunch of damage all for the cost of a lowly red mana
Made of the same material as a mousepad, the smooth surface will protect your cards, while the non-skid rubber backing keeps everything in place