I think the only place I've seen that combo before was in the Microprose game. It's a killer.
Untap, upkeep, echo, draw, Swamp, done.
DarthFerret
Life: 19
Hand: 7
Library: 51
In Play:
(T,T) Island x 2
(T) Swamp
(T,U) Underground Sea
(U) War Barge (3: target creature gains Islandwalk until...