Jordan, Obsessive Diver

If Jordan, Obsessive Diver untaps not on the
upkeep phase, create a 1/2 green Elemental Frog.
{2}{u}{t}: Create a 2/3 Jack Frost legendary
elemental creature. Whenever Jack Frost deals
combat damage to a creature, tap that creature. It
doesn't untap during its controller's next untap
step.
{2}{u}{u}{t}: Draw cards equal to the amount of
Frogs you control.