Spell Blast [Fifth Edition] Elf Scout Ranger I must discover the source

I must discover the source of these strange happenings

Set: World Superstars Card type: Field Spell Rarity: Super Rare Psychic-Type Xyz Monsters on the field cannot be targeted by Spell/Trap effects

For the necromancer barons

Set: Legendary Collection 2 Card type: Normal Spell Rarity: Common Pay 1000 Life Points

This card must be the only Zombie-Type monster on the field to activate and to resolve this effect

Spell Blast [Fifth Edition] Elf Scout Ranger I must discover the sourceSet: Fifth Edition Type: Instant Rarity: Common Cost: {X}{U} Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)