Monsters you control in the Extra Monster Zone that were Link Summoned using "Marincess Crystal Heart" as material are unaffected by your opponent's card effects
Its not casting it, either - which means it cant be countered
It pressures early with combat damage and card draw, helps fill the graveyard with its discard abilitywhich fuels delve, escape, or reanimationand can even take to the skies when needed by exiling cards
Read More: The Best Rooms In MTG Duskmourn #3 | Demonic Counsel Mana Vlue: 1B Rarity: Rare MTG Sets: Duskmourn Card Text: Search your library for a Demon card, reveal it, put it into your hand, then shuffle
Salamangreat Heatleo X FIRE Link 3 [ Cyberse / LinkEffect ] ATK 2300 DEF - 2+ FIRE Effect Monsters If this card is Link Summoned: You can target 1 card in your opponent's Spell & Trap Zone
Obviously, when these decks enter the market, the price for this card will drop, since the whole deck can be acquired for around $30