If a monster is sent to your opponent's GY (except during the Damage Step): You can target 1 card in your opponent's GY
That said, getting a card back whenever you cast a creature is a huge bonus, especially in decks with cheap creatures like elves or humans, and thats why youll play Vanquisher's Banner
Hieratic Seal of the Heavenly Spheres is a Link-2 with 0ATK
Its "Frost Bullet" attack can snipe the opponent's Benched Pokmon, while "Euchre" allows players to knock out Pokmon with specific damage counters making Glaceon ex a formidable competitor in tournament play
Many cards activate on being sent to the Graveyard, so (like Foolish Burial) this can give a huge advantage on demand
Pokemon, like Walking Wake, Iron Crown, Raging Bolt, and of course, Iron Leaves joining the game as ex Pokemon cards