Princess Pikeru (UTR) [SOI-EN027] Ultimate Rare Dimension of Chaos then if this card was

then if this card was Set before activation and is on the field at resolution

it gains these effects

Set: Mattel Action Figure Promos: Series 3 Card type: Fusion/Effect Monster Rarity: Parallel Rare Attack: 2100 Defense: 1200 "Elemental Hero Avian" + "Elemental Hero Burstinatrix" This monster cannot be Special Summoned except by Fusion Summon

if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls

This card cannot be Special Summoned except by the effect of "Trial of the Princesses"

Princess Pikeru (UTR) [SOI-EN027] Ultimate Rare Dimension of Chaos then if this card wasSet: Shadow of Infinity Card type: Effect Monster Rarity: Ultimate Rare Attack: 2000 Defense: 0 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "Trial of the Princesses". During your Standby Phase, increase your Life Points by 800 points for each monster on your side of the field.