atla mtg commander deck Palani, Nest Tender Legendary Creature MTG Commander Deck EDH Deck

For a more non-technical analysis on fake cards affecting the game, I recommend reading this article

Some cards like Horn of GreedHorn of Greed only count when you play a land, but Tatyova will trigger not only for your land drop each turn, but also for your spells that put them into play, such as CultivateCultivate, Skyshroud ClaimSkyshroud Claim, or better yet, Boundless RealmsBoundless Realms

Sunstreak Phoenix can alter the day/night cycle and return from the graveyard to the battlefield as days and nights change

Sure, your opponent gets too as well, but if youre dropping a creature with an exceptionally powerful enter the battlefield trigger, like Atraxa, Grand Unifier, a creature that is practically unstoppable like Emrakul, the Aeons Torn, or an enchantment that gives you free rein to do whatever you like Omniscience, you basically guaranteed a win