From Shadow Era Wiki

Card_No: ex016
Rarity: Common
Name: Rotling
Type: Shadow Ally - Homunculus
Cost: 1
ATK: 1
HP: 1
Ability: When Rotling is summoned, you may exile (remove from the game) target ally in a graveyard and Rotling gains +1 base attack and +1 health.
Flavor Text: Flesh makes flesh, blood draws blood.