Lusunati's recommendations merged

Created keywords for interchangeable, clueless, surveil in MSE for BSE
and BSE2. Created keyword for Bid (formerly Auction) and retaliate in
BSE2.

Modified Respect My Authoritah! to 2WW: Gain 2 life for each blocking
creature you control.
Colored Artifacts have the right frames now.
Dread Pirate Roberts rule text modification: Instead of paying Dread
Pirate Roberts’ mana cost, you may sacrifice a Bitcoin you control.
Evil Twin rule text modification:  That creature loses all abilities.
Science!: 4R instead of 4B
Edward Bernays - 1BT: Target creature gains deathtouch until end of
turn.
Swarm rule text modification: On your upkeep, put a 1/1 green Ant
creature token with “Ants you control get +1/+1.” into play.
Fernand Braudel rule text modification: Ferocious — Whenever Fernand
Braudel attacks, creatures you control with power 3 or greater have
trample.
Mt. Gox: Reduced cost to 4 from 6.

Re: Black Rock City: yes, it's better than Black Lotus. Yes, it's
staying as is.
Re: some cards having the same name as mechanics (mainly, Clueless);
this will not change.

Added Echo where relevant (Mining Rig, Ray Kurzweil)