Mutavault aside, Thoughtseize is the best card in Standard, and Heros Downfall in a world full of giant monsters and threatening planeswalkers is precisely where you want to be
Water-resistant, tear-resistant, and FIPS 201 approved
In the aftermath of March of the Machine, Wizards of the Coast decided that the Phyrexian invasion had stripped many planeswalkers of their multiverse-navigating abilities
If you count shapeshifters (I do not) that's a basis for a deck, there are ways to give people treasures and tokens at times, so there's a neat little deck to be made there
Anyway, back to the article, and those juicy Japanese Pokemon cards
Batteryman 9-Volt X LIGHT Level 4 [ ThunderEffect ] ATK 1000 DEF 1000 When this card is Summoned: You can add 1 "Batteryman" monster from your Deck to your hand, and if you do, this card's ATK and DEF become double its original ATK and DEF