Gary Jones, Captain of the Oil

When Gary Jones, Captain of the Oil enters the battlefield create a 0/8 colorless legendary artifact vehicle token named The Aframax with Crew 3, Defender, and "{t}, Sacrifice X oil token(s): Add
X {b} to your mana pool where X is double the
amount of oil tokens you sacrificed. This mana
does not go away at the end of steps and phases"
"oil"