Mari, the Killing Quill There are other assassins that add hit counters, but Mari, the Killing Quill can remove them to get you Treasure
There are also lots of deeper cuts from the original Baldurs Gate video game and its various sequels and expansions
Lands, well, the subtypes of lands are widely known, what with Plains, Island, Swamp, Mountain and Forest
Naturally, this makes blink effects very effective in an Ally deck, especially once you factor in that an Ally trigger usually affects either all creatures you control or scales based on the number of Allies you already control
The signpost uncommon in that set was Foggy Swamp Spirit Keeper, a typical draw-2 payoff that spits out 1/1 spirits which can only engage in combat with other spirits