Experimental Guildmage

{u}{u}, {t}: Counter target noncreature spell unless its controller pays {1}.
{r}{r}, {t}: Experimental Guildmage deals 2 damage to target creature.
{u}{r}, {t} Sacrifice Experimental Guildmage: Until end of turn, the next time you would flip a coin, you win that flip. Draw a card.
"Perfection! Theoretically, at least."