Ichor Elixir I covered this card above in the Call for Backup Deck
I can block it with either Gemrazer or Akoum Hellhound, or even with both
Even if you whiff on Amped Raptor, youre getting energy, and chaining one Raptor into another is just nasty
Knowledge Exploitation Commanders like Tetsuko Umezawa, Fugitive or Bilbo, Retired Burglar benefit a lot from running Knowledge Exploitation due to their nature to hit their opponents with ease
This allows you to build on your treasure hoard and you can quickly get a ton of mana
So long as you have a land that produces more than one mana at a time, you can instantly generate infinite mana, though you then need something to put it into, like a Fireball for instance