Tethys, Goddess of Light (CRMS-EN095) - Crimson Crisis Unlimited Condition:Lightly Played you can remove 1 Spell

you can remove 1 Spell Counter from this card to destroy 1 Spell Card or Trap Card on the field

it is destroyed

except by Fusion Summon with the above Fusion Material Monsters

also banish 1 “Sinister Serpent” from your Graveyard during your opponent’s next End Phase

You can only use each effect of "Firewall Dragon" once per turn

Tethys, Goddess of Light (CRMS-EN095) - Crimson Crisis Unlimited Condition:Lightly Played you can remove 1 SpellTypeFairy Effect Monster AttributeLIGHT Level Rank5 ATK DEF2400 1800 Card TextWhen you draw a Fairy Type monster, by showing that card to your opponent, you can draw 1 more card from your Deck.