The Catacombs

{t}: Add {c} or {b}.

At the beginning of your upkeep, choose target creature you control and roll a d6.

1 - 4 | The chosen creature gains shroud and
can't be blocked until end of turn.
5 | The creature chosen creature can't attack
or block until the start of your next turn.
6 | Put a shard counter on the chosen creature.