Gift of Intricacy

Whenever an opponent sacrifices a creature, you
draw a card, then discard a card.
Whenever you discard a card, you lose 3 life.
Whenever you lose life, target creature you
control gains indestructible until end of turn.
Whenever one or more creatures you control deal damage to an opponent, that player sacrifices a creature.
When Gift of Intricacy becomes the target of a
spell or ability, discard a card.