Time Vault [Alpha Edition] Elemental Warrior if your Fiend monster battles

if your Fiend monster battles an opponent's monster: You can send 1 "Evil Hero" monster from your Deck or Extra Deck to the GY

then you can Special Summon this card from your Fusion Deck (You do not use "Polymerization")

Set: Super Starter: Space-Time Showdown Card type: Normal Monster Rarity: Common Attack: 1700 Defense: 100 This dragon has taken down countless prey with its sharp fangs

Set: Commander 2011 Type: Instant Rarity: Common Cost: {2}{B} Put any number of target creature cards from your graveyard on top of your library

change all face-up monsters your opponent controls to face-down Defense Position

Time Vault [Alpha Edition] Elemental Warrior if your Fiend monster battlesSet: Alpha Edition Type: Artifact Rarity: Rare Cost: {2} Time Vault enters the battlefield tapped. Time Vault doesn't untap during your untap step. If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault. {T}: Take an extra turn after this one.