The decision comes months after the store faced a serious problem with Pokemon TCG scalpers
Iona, Shield of Emeria Leovold, Emissary of Trest As is a theme today, stopping your opponents from drawing extra cards is very powerful in Commander
He would deck you by playing Swords to Plowshares to remove all your creatures from the game, thus shrinking your library so that he would eventually deck you
Mostly you want some of the coloured stuff and so, again, you are better of with colour fixing lands to take you to the appropriate land count
The point is to reduce friction, not create a side quest where everyone squints at your battlefield
Or, use Gontis Aether Heart to passively generate energy that goes infinite with Automated Assembly Line with a card that produces a single extra energy, like Izzet Generatorium