Andrew "Doc" Davis

Whenever an opponent casts a non-summoning
spell, pay {1} to grep the Slack logs and realise
Davis had already had the idea an told you about
it. You can pay that spell's casting cost to Fork it.
{b}{w}: Use the ability, with casting cost, of any
other Legendary in play.
"Does he move backwards in time or something?"
"Yes, he used to be Gauss in his future."