In matchups where you can expect hate cards, a full four Natures Claims is ideal
On the other hand, Ad Nauseam was formerly a Modern staple, though power creep and the banning of Simian Spirit Guidewhich offered Ad Nauseam the fast mana it needed to actually win the gamemore or less killed the combo in the format
There are few blister holos and promos with cosmos, not the right cosmos, and fewer still that are any good
(4/17/2020) If a permanent card is put into your graveyard during your main phase and the stack is empty, you have a chance to cast it before any player may attempt to remove that card from your graveyard
And check out the dinosaur spider, or what Wizards of the Coast decided Magic's own symbiotes should look like
(Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.) At the beginning of combat on your turn, you may have Treasures you control become 3/3 Construct Assassin artifact creatures in addition to their other types until end of turn