Flash Hulk cEDH (EDH / Commander)

1) Cast Flash targeting Protean Hulk
2) Let Protean Hulk go to the graveyard
3) Fetch Karmic Guide and Viscera Seer with Protean Hulk's trigger
4) Sacrifice Protean Hulk to Viscera Seer
5) Sacrifice Karmic Guide to Viscera Seer
6) Let the Protean Hulk death trigger resolve, fetching Reveillark and Essence Warden
7) Sacrifice Reveillark to Viscera Seer, bringing back Karmic Guide with the on death trigger of Reveillark
8) When Karmic Guide enters, bring back Protean Hulk
9) Sacrifice Protean Hulk
10) Sacrifice Karmic Guide
11) With Protean Hulk's death trigger, fetch Body Double and Maggot Carrier
12) Body Double enters as a copy of Karmic Guide, bringing back Reveillark
13) Maggot Carrier pings everyone for 1, and essence warden negates the damage you would take.
14) Sacrifice Body Double
15) Sacrifice Maggot Carrier
16) Sacrifice Reveillark, bringing back Body Double and Karmic Guide
17) Body Double enters as a copy of Reveillark
18) Karmic Guide brings back Maggot Carrier
19) Maggot Carrier does 1 to everyone
20) Sacrifice Maggot Carrier
21) Sacrifice Karmic Guide
22) Sacrifice Body Double (Reveillark), bringing back Karmic guide and Maggot Carrier
23) Maggot Carrier does 1 to everyone
24) Karmic Guide brings back Body Double
25) Repeat 17-24 until everyone is dead or has quit because you're taking too long

Then there is also a doomsday plan, for when all else fails. I figured it was a fitting back up plan, given the name, doomsday.

The pile from top card to bottom card goes:
1) Predict
2) Laboratory Maniac
3) Gitaxian Probe
4) Lion's Eye Diamond
5) Yawgmoth's Will