Iris Shipyard

At the beginning of your upkeep, put a faction
counter on Iris Shipyard.
{t}: Add {r}{r} to your mana pool. Roll a d20 for
each faction counter on Iris Shipyard:
1-11: Create a 1/1 blue civilian creature token.
12-19: Put a flying or vigilance counter on target creature you control.
20: Create a 9/9 red artifact vehicle token with
flying, trample, and crew 5.