Doctor Fro's Laboratory

During players untap phase, tap all untapped permanents and untap all tapped permanents they control instead.
{t}:You get {e}
{u/r},{t}, pay {e}{e}: Until your next untap step, creatures with flying can block only creatures with flying. Creatures without flying have reach. All creatures with haste come to into play tapped. Creatures with first strike have last strike instead. Only activate this ability when you could play a sorcery.