Two-Headed Sliver
Time Spiral — common
Creature — Sliver
Two-Headed Sliver rulings:
2021-03-19: Multiple instances of menace on the same creature are redundant.
2013-07-01: If the creature type of a Sliver changes so it’s no longer a Sliver, it will no longer be affected by its own ability. Its ability will continue to affect other Sliver creatures.