Evil Hero Infernal Gainer (DP06-EN007) [Duelist Pack 6: Jaden Yuki 3]

During your Main Phase 1, you can remove this card from play and select 1 face-up Fiend-Type monster you control. That monster can attack twice during each Battle Phase. Special Summon this card in face-up Attack Position during your second Standby Phase after you activate this effect.