Sphinx's Insight

Draw three cards.

Addendum — If you cast this spell during your main phase, instead scry 3, then draw three cards.

Return target creature to its owner's hand.

Addendum — If you cast this spell during your main phase, draw a card.

Target player draws four cards, then discards three cards. If you cast this spell during your main phase, instead that player draws four cards, then discards two cards.

Target creature gets -4/-0 until end of turn.

Draw a card.

Addendum — If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.

Addendum — If you cast this spell during your main phase, put a shield counter on a creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Choose a kind of counter on a creature you control. Put a counter of that kind on each other creature you control.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.