Gem of the Swirling Waters

{t}: Add {u}{u} to your mana pool.
{t}{x}{x}{x}{u}: Tap target creature withe converted mana cost X or less, it doesn't untap during it's controller's next untap step, deal X damage to targeted creature each turn unless it's controller discards X cards. Draw X cards, discard X cards.
Bralga's wrath is nothing to be meddled with.