New kid on the block Filter Out might well deserve a spot in the Top 20, but well have to see how it plays out
Shout out to Gaze of Granite while we're here, by the by
Talon Gates of Madara does lots of little things
The Through the Ages cards can put a real spanner in the works for this, and I love spanners in the works
Wizards of the Coast took a technique used in its Japanese trading card game Duel Masters and printed text on both sides of the card to represent people transforming into monsters and back again (something that happens alarmingly regularly in Innistrad)
The Primordial Ooze is a, paraphrasing its flavour text, 'moving mass from the beginning of evolution' that digests everything in its path, animate or inanimate, to further its existence