Sinister Serpent [BP02-EN015] Common WTR127-R You can only use the

You can only use the effect of "Evilswarm Thunderbird" once per turn

If a monster "Fur Hire" is Special Summoned to your field while you control this monster (except during the Damage Step): You can add 1 monster "Fur Hire" from your Deck to your hand

The effect of this card becomes the same as the Normal Spell Card

Special Summon 1 Level 5 or lower Fusion Monster from your Extra Deck

Fusion Material Monsters that are listed on a Fusion Monster Card that includes 'Elemental Hero' in its card name

Sinister Serpent [BP02-EN015] Common WTR127-R You can only use theSet: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Common Attack: 300 Defense: 250 During your Standby Phase, if this card is in your Graveyard: You can return it to your hand.