Promotion (BLMR-EN017) [Battles of Legend: Monstrous Revenge]

Target 1 Level 3 or lower EARTH Warrior monster you control; send it to the GY, and if you do, Special Summon 1 Level 4 or higher EARTH Warrior monster from your Deck, then, if you control a "Puppet" monster that was originally an EARTH Warrior, that Special Summoned monster gains ATK/DEF equal to the number of cards currently in your opponent's GY x 100. You can only activate 1 "Promotion" per turn.