Often you want to use it in your upkeep to look for a card to Dredge, but if you already have the exact card you want to dredge in your graveyard, its better to dredge first so that, if you hit a Narcomoeba, you can Shriekhorn in response to the trigger to look for an Amalgam to return as well
Now there are going to be some powerhouses from tournaments that keep their power listed below
It sounds simple, but as you can see, theres a lot going on when it comes to MTG
Avacyn turns every permanent you control into a much harder problem to remove
Theres nothing quite like ol Gary here, except maybe Kokusho, the Evening Star
Once on the board, their abilities allow them to generate massive amounts of momentum while protecting each other from opposing challenges