If your house rules ban you playing a weird, underpowered commander, make new house rules
This lets players cast spells from their graveyard, effectively allowing them to double dip
This creature can't attack unless defending player controls a Mountain
, , Return this land to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle
Reliquary Tower, Maze of Ith, Strip Mine, Wasteland, Tectonic Edge, Thawing Glaciers, Buried Ruin, Haunted Fengraf, Academy Ruins Take your Islands a step further by running Snow-Covered Islands, which lets you take advantage of Scrying Sheets and also denies your opponents of benefiting off your Extraplanar Lens Combo
You won't have anything to spend all that mana on 90% of the time