From the season 1 finale.
RD/KP06-JP015 Hiraishin Thunderbold / Thunderbold the Lightningfire Deity
Thunder/Effect, FIRE, Level 7, ATK 2300, DEF 1900
{Requirement} If this card was Normal Summoned this turn, send the top card of your Deck to the Graveyard.
{Effect} This card gains 300 ATK until the end of this turn. Then, if you have 4 or more monsters (Level 7) with different names in your Graveyard, you can choose 1 monster (Level 7) in your Graveyard and Special Summon it your field face-up.
RD/KP06-JP017 Gougekiryuu Metagias / Metagias the Steelstriking Dragon
Dragon/Effect, DARK, Level 7, ATK 2500, DEF 1500
{Requirement} Send 1 monster (Level 7 or higher Dragon) from your hand to the Graveyard.
{Effect} This turn, this card cannot be destroyed by battle or your opponent’s Trap effects, and if it attacks a monster, it can make a second attack on a monster during this Battle Phase.
