Death Star

Crew 5.
Split Second, Hexproof, Flying, Defender.
Put a Core Artifact Token, if is destroyed, sacrifice the Death Star.
{1}: Put a Charge Counter on Death Star. Use this ability one once per turn. When Death Star have 5 or more counters, remove then. Death Stars deals 10 damages to target player and all creatures that player controls.
{5}{t}: Destroy target land