RNS Rook

When The RNS Voyager enters the battlefeild, Create
20 Delta Creature tokens.
You can station a creature on the RNS Voyager at any
time. If the RNS Voyager has 20 or more creatures
stationed on it, It becomes a 30/30 Creature with
Flying and it has {t}{1} split 12 damage up between
any targets