Theres just going to be too many sellers and not enough buyers
Those bigger things slots appear very flexible depending on who builds the deck, but a lot of the good options are other Wilds cards: Beanstalk Wurm and Blossoming Tortoise for ramp
Zombies often care about the graveyard and are ripe for sacrificing since they come in great numbers, which you can easily exploit with Undead Augur and Archghoul of Thraben
On the other hand, if they're removed from combat without leaving the battlefield, use their current information to determine that they're not attacking you or a planeswalker you control anymore
Arvinox, the Mind Flail Arvinox, the Mind Flail is a List rebrand of Mind Flayer, the Shadow from Secret Lair X Stranger Things
In the second combat damage step , the only creatures that assign and deal damage are those that: are still in combat (doesn't matter if tapped or untapped), and either did not have first strike and/or double strike when the first combat damage step began, or currently have double strike