Sure, you're playing a five-mana 3/3, but Lovisa's probably netting upwards of 10 or more power across your board
Its easily #1, and arguably among the best activated ability commanders in the game, but only because its so broken and easy to turn into a one-card infinite combo that starts the game in your command zone
Seven Dwarves and Nazgl have restrictions on how many you can play, but you can include up to that many of each in their EDH decks
This card was formerly the only blue card legal in Commander, Modern, and Pioneer that creates a Food token
Thats two cards off the monarch, two cards from Chimil, the Inner Sun, and so on
10 Delver of Secrets Science has gone too far