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You can take out any problem card stopping you going off, winning or just living regardless of its size or card type and you can do so for relatively little mana compared to the appropriate hard removal spell for that thing
The deck relies on massive Synchro strings, building momentum through constant battle position changes and on-field draws from cards like Karakuri Anatomy
The most annoying curve was a turn 1 Urborg, Tomb of Yawgmoth into Thoughtseize to clear the way
If your opponents are unable to answer Krenko in a timely matter, you will be able to double the number of Goblins created allowing you to take over a game of Commander
Then, at the end of the next end step, you return those exiled cards to your hand