The implications of having such a card are massive (destroying mill decks, for instance) but there is something you need to remember and its that, as I explained before, VS Seeker was another element in the equation
This program also plays on nearly any computer very well, since its lack of demanding visual effects make it easy to run smoothly
The same card not doing the same thing across different formats is poor design and frustrating to play. No Escape As if all of the above wasnt enough reason for MTG players to dislike Alchemy, it also bleeds into Limited play too
Phyrexian Arena Black Market Connections is a way better card, boomers, but I get why this is still played
Delirium is found across card and ability types, from instants to triggered abilities on permanents, but they all care about one thing: whether or not you have at least four card types in your graveyard