During Pro Tour Aetherdrift at Chicago MagicCon, Arne Huschenbeth went 9 - 1 with a typical controlling deck packed with removal, counterspells, boardwipes and big creatures, using Stock Up to dig for the perfect answers
Its land destruction ability is rather slow and not what were here for
III: Whenever an Assassin you control attacks this turn, create a 1/1 black Assassin creature token with menace that's tapped and attacking
It's expensive, but close enough to Time Walk to be viable in most Blue decks
There is also a China-exclusive Pikachu card that is the chase card for all collectors
For example, starting with a two-drop Ichor Wellspring you can get a three-drop like Chromatic Lantern if you need to smooth your mana or a combo piece like Ashnod's Altar or Phyrexian Altar or Crucible of Worlds