Noyan Dar, Roil Incarnate

Landfall —Whenever a land enters the battlefield
under your control, you may put three +1/+1 counters on it. If you do, that land becomes a 0/0 Elemental creature with haste that's still a land.
Whenever you cast an instant or sorcery spell,
you may put X +1/+1 counters on target
creature with a +1/+1 counter on it, where X is
that spell's converted mana cost.