I am not sure Bird Typal is actually very solid in Standard compared to the early presence of decks focusing on Lizards, Frogs, and Rabbits, with Rats also floating about
To maximise the Barker
Balan, Wandering Knight can single-handedly push your opponents into despair if equipped with Lightning Greaves and Behemoth Sledge early, which both have low mana costs
Instant Lucy MacLean, Positively Armed Golden Rule Whenever a token enters, you may have target player other than its controller create a token that's a copy of it, then you draw a card if an opponent created a token this way
At the end of the day, Dig Through Time enabled too many decks to do their thing too easily
Do this in response to chump bocking, mass or targeted removal or exiling effects to recur them later