Hank Hill, the Furious

When Hank Hill, the Furious enters the battlefield, create a Propane Tank token. (It's a colorless artifact
with "Tap: add {r} or {w}. This artifact can only be
tapped for mana to cast red or white spells." )

Whenever you cast a red or white spell, you may
pay {2} life. If you do, create a Propane Tank token.

Hank Hill, the Furious, gets +1/+0 for each
Propane Tank you control.