Plasmavesen

Flying, Hexproof
When Plasmavesen enters the battelfield, target opponent draws one card for each creature named Plasmavesen in play.
{u}{u}{u}{u}{u}{u}: Put a copy of Plasmavesen into play under your control. If you control four or more Plasmavesen, tap all permanents in play, then each player may untap only one land each untap step.