mtg best tribal support cards What are universal for a U/W bird deck? Favourite Tribal Specific Payoffs? :

Rakdos, Lord of Riots [Best Vampire Commander for Cost Reduction] Even though hes not a Vampire himself, Rakdos often appears on best Vampire Commanders MTG tier lists because he acts as the ultimate enabler for high-cost tribal builds

Dark Leo & Shredder A great card to pair with The Last Ronin's Technique in an Orzhov Ninjas deck is Dark Leo & Shredder

If you are ahead on the board, this great bird commander can buff your birds with +1/+1 counters

Self-recurring creatures are difficult for your opponents to get rid of, and you can use them to generate enormous amounts of value over the relatively longer duration of a Commander game

So, a quick analysis: for 1 mana, you can put this card into play, and it can be tapped to gain CC (two colorless mana)