Planar Atlas

Entering tapped marks this rock as something other than a ramp piece; a mana source that idles through its first turn is deliberately a step behind the acceleration curve, and what it trades that tempo for is a cleaner sequence of draws. The enter trigger digs four cards deep, offers you a land if one is in range, and scatters the rest to the bottom in random order so the same dead clump does not resurface two turns later. The placement is the wrinkle: the land you keep goes back on top rather than into your hand, which pledges it to the following turn's draw step. That cooperates with effects that peek at or play off the deck's upper cards and frustrates you on the turns you needed the land in play right now. Take Solemn Simulacrum, subtract the body and the free untapped land, and this is roughly the pulse that remains: locate a land, keep the game moving, ask for nothing showy. It is a smoothing engine dressed as a mana rock, delivering neither fixing nor acceleration with any real force but keeping a demanding manabase from choking, all for a modest one-time investment. This is a piece for the grindy, land-hungry builds that would rather never miss a drop than ever get ahead of schedule.