Locus Cobra 
Creature — Phyrexian Snake
Landfall — Whenever a land enters the battlefield under your control, add one mana of any color. If it was a Locus or Sphere land, put a +1/+1 counter on Locus Cobra.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL