mtg cards with liliana of the Veil - Black - 373 - (Borderless) where X is the number of cards in your graveyard Liliana of the Veil

Lands, well, the subtypes of lands are widely known, what with Plains, Island, Swamp, Mountain and Forest

Choose any number of target opponents

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

But thats not all its good for

There are also lots of deeper cuts from the original Baldurs Gate video game and its various sequels and expansions

Also, Golgari not only has plenty of other good removal spells but is also a guild thats based around putting as many creatures as you can into the deck