Solstice Tree

Whenever a nonland permanent you control taps
for mana, Gift target opponent.
{t}: Add one mana of any color.
{w}{u}{b}{r}{g}, {t}: Sacrifice Solstice Tree, return all enchantments and artifacts to their owner's hand, destroy all creatures, then each player searches
their library for a permanent card and puts it on
the battlefield tapped, then shuffles their library.