There have been so many busted combo decks making use of Lotus Petal and Lions Eye Diamond, but my favorite will always be what I believe to be the most broken deck in Magic history (at least since the advent of the four-of rule and restricted list), a turn 1 kill deck detailed here , making use of the temporary abusability of Lions Eye Diamond when you could use it to play a spell from your hand before discarding your hand

Fourth Place: Regidrago Pokmon: 18 4 Teal Mask Ogerpon ex TWM 25 3 Regidrago V SIT 135 3 Regidrago VSTAR SIT 136 2 Dragapult ex TWM 130 1 Giratina VSTAR LOR 131 1 Hisuian Goodra VSTAR LOR 136 1 Kyurem SFA 47 1 Mew ex MEW 151 1 Squawkabilly ex PAL 169 1 Cleffa OBF 80 Trainer: 32 4 Professor's Research SVI 189 3 Iono PAL 185 2 Boss's Orders PAL 172 4 Ultra Ball SVI 196 4 Nest Ball SVI 181 4 Earthen Vessel PAR 163 4 Energy Switch SVI 173 2 Superior Energy Retrieval PAL 189 1 Prime Catcher TEF 157 1 Switch SVI 194 1 Night Stretcher SFA 61 1 Canceling Cologne ASR 136 1 Temple of Sinnoh ASR 155 Energy: 10 8 Grass Energy SVE 1 2 Fire Energy SVE 2 Raz Wolpe finished 4th place with Regidrago, a deck we expected the most from in this years Worlds and it didnt disappoint
Upon death, Smaug creates a huge hoard of 14 Treasure tokens, but few decks can easily kill a 6/6 flying creature
Yawgmoth, Thran Physician Card draw, removal, and proliferation all wrapped into one
Kruphix, God of Horizons Kruphix, God of Horizons is one of the most interesting gods for EDH
Whenever a player attacks, if they aren't attacking you, that player chooses an attacking creature