Oscilio, Constella Intelligence

Once per Turn Instant -- Discard an instant: Once per Turn Instant -- Discard an instant: Draw a card.Essence of LightningEssence of Lightning (You may have Lightning cards in your deck.)

Deal 3 arcane damage to target hero. Surge - If this deals more than 3 damage, you may return an aura with Sigil in its name from your graveyard to your hand.

Once per Turn Instant -- Discard an instant: Draw a card. Essence of Lightning (You may have Lightning cards in your deck.)

When this attacks, the next time you play an instant card this chain link, you may return target aura permanent with cost 1 or less or target aura token to its owner's hand. (An aura token ceases to exist.)