Do You Need Sleeves for Magic Cards
Kodama is one of those innocuous cards that doesn't look like much, but in the right deck, well, it can get out of hand pretty quickly
This gives them a deeper understanding of the format that allows you to proficiently draft and play whichever archetype their seat presents them, even if it's one that shows up rarely
Following that was a land that enabled your spells to be uncounterable, a timeless card tutoring engine, a novel (at the time) ability to abruptly end a turn, and a sweet, legendary creature
Tirrel is at her absolute best in this list, for agro decks she costs a little too much and life isn't an exciting thing to be getting for the plus loyalty while for control decks which don't have a strong board position making some defensive tokens leaves her vulnerable on two loyalty and the lifegain scales poorly
My top pick for this category pairs this ability with a core action in any Commander game: tutoring