Pyroclasm

Flying Whenever this creature deals damage to an opponent, that player discards a card at random.

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner's library instead of into that player's graveyard.

Target creature gets +3/+3 until end of turn.

Destroy target artifact or creature. It can't be regenerated.

Return target creature card from your graveyard to the battlefield.

Lightning Helix deals 3 damage to any target and you gain 3 life.