Rebellious Crafter

Harness -- When Rebellious Artificer enters the battlefield, put a warp counter on target artifact or land you control.
{t}, {2}{u}: Target instant or sorcery in your hand's costs {x} less to cast until end of turn, where X is the number of warp counters on permanents you control.
{t}, {2}{r}: Deal 1 damage to each creature with converted mana cost X or less, where X is the number of warp counters on permanents
you control.