Noyan Dar, Roil Shaper is a rare Legendary Creature — Merfolk Ally card from Battle for Zendikar (BFZ), collector number 216. Current market price: $0.16 (foil $0.46), TCGplayer market prices via Scryfall.
Whenever you cast an instant or sorcery spell, you may put three +1/+1 counters on target land you control. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.