Yannik + Nikara Blink/Coutners help

[fierce junco]

So I have a Yannik and NIkara deck that I really like, but I think I want to try and do more blink shenanigans in the deck. Its mostly counter support right now, with some blink cards and decent etbs. But I want to switch it up a bit, get some more blink tech in there.

https://www.moxfield.com/decks/TdRP4xu3f0OSxmF5hWfY6Q

[raw peak]

https://scryfall.com/card/2x2/310/panharmonicon

Panharmonicon

https://scryfall.com/card/ktk/200/siege-rhino

Siege Rhino

https://scryfall.com/card/j22/8/preston-the-vanisher

Preston, the Vanisher

[fierce junco]

Among the things I want to maybe add to the list are Panharmonicon. Siege Rhino and Preston the Vanisher

Also maybe [[!Gilraen]] and [[!Gruff Triplets]]\

[raw peak]

https://scryfall.com/card/ltc/13/gilraen-dúnedain-protector

Gilraen, Dúnedain Protector

https://scryfall.com/card/woe/172/gruff-triplets

Gruff Triplets

[fierce junco]

Im not sure what to remove for these though. Counters is just one of those mechanics that has a lot of decent support, so i'm having toruble determining what to take out

[fierce junco]

I'm also very tempted to use [[Tribute to the world tree]], but I dont want to spend so much money >.<

[raw peak]

https://scryfall.com/card/mom/211/tribute-to-the-world-tree

Tribute to the World Tree <:manag:292901508654301185><:manag:292901508654301185><:manag:292901508654301185>

Enchantment
Whenever a creature enters the battlefield under your control, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.
"The Tree was the heart of our world. It made me what I am and pulled me back from the brink of death. I won't allow it to be forgotten." —Esika, god of the Tree