Red Nova Dragon [LC5D-EN073] Super Rare Divine if you control no monsters:

if you control no monsters: You can Special Summon "Timelord" monsters each from your hand

except "Flower Cardian" monsters

add 1 "Void" Spell/Trap Card from your Deck to your hand

You can only use 1 “World Legacy's Mind Meld” effect per turn

During either player's Damage Step

Red Nova Dragon [LC5D-EN073] Super Rare Divine if you control no monsters:Set: Legendary Collection 5D's Card type: Synchro Effect Monster Rarity: Super Rare Attack: 3500 Defense: 3000 2 Tuners +" Red Dragon Archfiend" This card gains 500 ATK for each Tuner monster in your Graveyard. Cannot be destroyed by an opponent's card effects. When an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card