kindred card type mtg is a Kindred cards are the replacement for Tribal type cards. They are not a new type Whenever a creature you control of the chosen type enters or attacks Kindred Dominance MTG - Commander

It also has a unique ability where you can tap it, pay one white and one blue mana, and sacrifice a Bird creature to draw a card

It is the low cost cards that are more interesting however

Each lane holds different special effects, which apply to all the cards that are played in that field

Illustrated by: Stuart Griffin Multiverse ID: 14718 Not Legal Traditional Standard Not Legal Traditional Alchemy Not Legal Traditional Explorer Not Legal Traditional Historic Not Legal Traditional Timeless Rulings 2004-10-04 Creatures are only put into a graveyard for having 0 toughness when state-based actions are checked

I suppose in theory the exhaust abilities are meant to act like built-in combat tricks, where you can hold up mana through combat and then play something second main, but most of the time they dont grow your creature enough to really change the math on blockers