mtg frog tribal commander deck EDH Deck Grolnok, the Omnivore 100 Magic Cards – Moonveil Games Building Kenrith, Kindred Princes (Frogs)

30 cards isnt that many, and a few cards from The Big Score are reprints, so that leaves room to highlight some cards from Thunder Junction Commander as well

Improvise lets you use artifacts to pay for generic mana while convoke lets you pay for colored and generic mana

It also allows you control over the effect thus increasing your chances of being able to engineer a favourable outcome for yourself

Abzan, Sultai, Jeskai, Mardu and Temur are the names of each of the eponymous Khans

You dont need artifacts to get the historic trigger, but Teshar has found a home as the commander for white artifact-combo decks that pair Teshar with cards like Myr Retriever and Blasting Station to establish all kinds of powerful infinite loops