Goyo Defender (BOSH-EN050) - Breakers of Shadow Unlimited

1 Tuner + 1 or more non-Tuner monsters
Once per turn, if all monsters you control are EARTH Warrior-Type Synchro Monsters (min 1.): You can Special Summon "Goyo Defender" from your Extra Deck. When this card is targeted for an attack: You can make this card gain 1000 ATK for each EARTH Warrior-Type Synchro Monster you control (other than this card), until the end of the Damage Step.