If its a nonland card, the creature thats exploring gets a +1/+1 counter, and then you choose whether the revealed card stays on top of your library or goes to the graveyard
Beifongs Bounty Hunters could see a lot of play based on the combo aspect alone
Triggering your landfall payoffs not on your turn through Terrain Generator
Honorable Mentions Kozilek, Butcher of Truths Hes not as durable as his indestructible brother, but if youre playing green without black or blue then hes an excellent source of card drawing
Count only the powers and toughnesses of the stickers on permanents you control, not the actual powers and toughnesses of those permanents
Ill be using my own decks as examples, as well as decks from my regular playgroup Now, this isnt to say that everyone should have seven decks I know thats not financially possible for everyone