Permanents you control have {t} create a tapped rock token.

Rock tokens you control are creatures with power and toughness 1/2 and reconfigure {0}

Spells with rock and/or stone in their name cost {2} less to cast, as long as it's a creature, it has haste until end of turn.

When Mason Rockman enters the battlefield, create a legendary rat creature token named Buddy with base power and toughness 1/1 and protection from everything and this creature can't block.