Challenges sees two players comparing the strength and health of the attackers chosen card/s and the targeted card/s, with the two exchanging the amounts
I don't think this card is designed for EDH particularly, but I think there are some really cool creative freedoms to take with it
If you want to use your former Standard cards - dating back to Return to Ravnica (2012) - in all their glory, then check out Pioneer
A similar pattern unfolded in the second game
Unlike cards like Field Of Ruin, Strip Mine requires no mana cost to use its ability and can target any land, making it the best of its kind
But actually, this isn't ideal for a couple of reasons Firstly, your opponents can crack their fetchlands in response to Hamlet's triggered ability, making it ineffective against any that are already on the field