Arakni, Tarantula is a B Chaos Assassin Demi-Hero card from Flesh and Blood (Silver Age Chapter 2 - Arakni, Web of Deceit, SAR).
B
Silver Age Chapter 2 - Arakni, Web of Deceit (SAR)
Card Text
Whenever a dagger you own hits a hero, they lose 1{h}.
Once per Turn Attack Reaction - Discard an Assassin card: Target dagger attack gets +3{p}.
At the beginning of your end phase, return to the brood.