Liliana's Talent could see play in specific niche strategies, but overall, it may not be a top-tier choice in competitive decks
Rose Tyler The more suspend cards and cards with time counters that you have on the battlefield, the more time counters are put on Rose Tyler when it attacks
Chromatic Star Chromatic Star and its various comparable companions tend to be overlooked as they are never doing broken things
Having access to these great one drops instead of just playing a land and passing can really up your game
This contrasts with blue's and green's straightforward draw or red's impulsive draw mechanics
Of course, the only real way to deal with Progenitus is with a board wipe of some kind, but, even then, if it goes into the graveyard you just shuffle it back into your deck