This works with any tribal them deck..
Kindred Summons
5GG
Instant
Choose a creature type. Reveal the top card card of your library until you reveal X creatures of the chosen type, where X is the number of creatures you control of the chosen type, and place them onto the battlefield. Shuffle the other revealed cards into your library.
Then this leaves you open to constantly use your chump blockers
Mirri, Weatherlight Duelist
1GW
Legendary Creature - Cat Warrior
First Strike
Whenever
Mirri, Weatherlight Duelist attacks, each opponent can't block with more than one creature this combat.
As long as
Mirri, Weatherlight Duelist is tapped, no more than one creature can attack you each combat.
More tribal theme..
Kindred Boon
2WW
Enchantment
When Kindred Boon enters the battlefield choose a creature type.
1W: Put a divinity counter on target creature you control with the chosen type.
All creatures you control with a divinity counter become indestructible.
An interesting and fun commander one could build around............
Mathas, Fiend
Seeker RWB
Legendary Creature - Vampire
Menace
At the beginning of your end step, put a bounty counter on target creature an opponent controls. For as long as that creature has a bounty counter on it, it has "When this creature dies, each opponent draws a card and gains 2 life."
Plus an interesting board wipe.......
Kindred Dominance
5BB
Sorcery
Choose a creature type. Destroy all creatures that are not the chosen type.