mtg blue search your library for a card Rules Text: search, library, card, creature, your, Type: Instant, Sorcery, Colors: Blue, 82 cards reveal it Rules Text: search, your, library,

Great Wall was there to stop that card and only that card er, rather, take away its crappy ability

There are a few reasons for this, and only one of those is that Xolatoyac, the Smiling Flood, one of the new commanders, is a massive damn Axolotl

Other times, you'll need to be more careful

If you assemble Tron on turn three and you dont have a Karn Liberated in hand to cast instead (which is what you really want in these matchups), then you can cast your Thoughtseize-on-a-stick and present a clock that will kill your opponent on your eighth turn

A big part of that comes from Zimone, Mystery Unraveler, who is such a terrifying commander, able to cheat giant creatures onto the board, and facedown, which will always leave your enemies second-guessing