Sir Croaking Tin Swamp King

Frogs you control have enlist and get +3/+2.

Whenever a frog deals combat damage
create that many black 1/1 frogs with menace.

Sacrifice a frog target creature gains swampwalk.

Whenever you tap a swamp for mana add a additional {b} to your mana pool.
(3 is a pair you can have 3 commanders as long they have 3 is a pair.)