Spark Double [War of the Spark Prerelease Promos] Lightning Overdrive it is unaffected by any

it is unaffected by any Spell Cards

Increase the ATK fo this card by 300 points for each card in your Graveyard that includes "Elemental Hero" in its card name

create a 5/5 red and green Elemental creature token

" Activate only as a sorcery

Set: Tenth Edition Type: Artifact — Equipment Rarity: Uncommon Cost: {3} Equipped creature can't be blocked and has shroud

Spark Double [War of the Spark Prerelease Promos] Lightning Overdrive it is unaffected by anySet: War of the Spark Prerelease Promos Type: Creature Illusion Rarity: Rare Cost: {3}{U} You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1 +1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary if that permanent is legendary.