Strategic Planning would probably be perfect
The entire premise of the plane was centered on the relationship between gods and their worshippers, with the power of the former dependent on the belief of the latter
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures
You shouldnt underrestimate location cards and the profound impact they will have on the game
Most decks bring in multiple copies of powerful cards, upping the odds of seeing them each game
Toughness-matters decks tend to be stuffed with Walls and creatures with defender, the kinds of hidden gems youd usually find gathering dust at the bottom of game store bargain bins