It makes sense then that so much media would incorporate these ideas from books, to movies, to games, and Magic: The Gathering is no exception
(Some of them would take up more room than we have in the text box by themselves, but you probably won't control that many lands.) In case you do end up with more than 31 lands, the remaining prime numbers below 100 are 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97
Your opponent will either tie up all their mana each turn to keep their best artifacts alive, or simply lose them all
There is no way you can leave a card revealed this way on top of your library
Radiant Greninja can currently be found in several decks, like Gardevoir ex, Palkia-Dusknoir, Raging Bolt-Ogerpon ex, and even Lost Zone Box