Deadly Dispute/Village Rites (etc.) There are a lot of effects like this, but these are the best of them
(2023-06-16) Amass Zombies works the same way, except you create a 0/0 black Zombie Army creature token if you don't control an Army
And if thats not enough, theres something special about pulling all those cards you wanted and didnt get all those years ago
If you somehow can't discard a card (probably because you had no cards in hand and another effect prevented you from drawing cards), you won't put any counters on Cait no matter whether or not the defending player discarded a card or what that card's mana value is
The win condition aspect is a little clunky, but the ability to trade two mana for a card carries this artifact and proves its importance in creature-based white decks
Transmogrants Crown Already proclaimed by the masses as the new Skullclamp, likely both for its similarity in abilities and due to the fact theyre both fashionable headwear, Transmogrants Crown is an excellent Equipment card to be included in a wide variety of decks containing black