Zeitkrümmer, transtmp Observer

Zeitkrümmers mana cost can only be payed by
white, blue or green mana.
1 shield
{t}: Counter target instant. Create a copy of it
that resolves the next time its controller could
play a sorcery.
Untap Zeitkrümmer during each players untap
step.
"Yes, yes, you have superspeed. Would you please stop babbling about how I can't possibly dodge you?"
—fighting Spinning Dancer, winning