Skeletal creatures could have a "tail" named Clattering Bones
Spiritual creatures could have a "tail" named Whisper
Some of the cards could have unique "tails":
-Ancient Obol -> Broken Obol, which is a 0/1; Mighty Leap, Sharp Quills
-Dead Hand, Hellhand -> Twitching Finger, which is a 0/1 with no sigils
-Deadeye -> Twitching Nerve, which is a 0/1 with no sigils
-Draugr, Glacier, Ice Cube ->Ice Chunk, which is a 0/1 with Frozen Away that contains a Twitching Limb
-Hydra -> Hydra Head, which is a 0/1 with Undying that costs 1 Bone
Skeletal creatures could have a "tail" named Clattering Bones Spiritual creatures could have a "tail" named Whisper
Some of the cards could have unique "tails": -Ancient Obol -> Broken Obol, which is a 0/1; Mighty Leap, Sharp Quills -Dead Hand, Hellhand -> Twitching Finger, which is a 0/1 with no sigils -Deadeye -> Twitching Nerve, which is a 0/1 with no sigils -Draugr, Glacier, Ice Cube ->Ice Chunk, which is a 0/1 with Frozen Away that contains a Twitching Limb -Hydra -> Hydra Head, which is a 0/1 with Undying that costs 1 Bone