You get to draw an extra card, re-spend all your mana, and get an extra combat stepnot to mention extra upkeep/end step triggers, planeswalker activations, and so on
Feather was the beginning of the Boros renaissance in EDH, and Akiri is the next step in that path
Steady, steady, he repeats, as he unsheathes a Panini Prizm Justin Herbert autographed rookie, with an estimated value around $2,000, from its plastic sleeve before carefully encasing it in a thick cardholder
Pal Pad is crucial for control decks to get Supporter cards back and Night Stretcher is often crucial for decks that use Dusknoir so they can use Dusknoir's ability multiple times in a turn
Phyrexian Faves packages together several powerful Phyrexian cards, including the excellent Krrik, Son of Yawgmoth, and Blighted Agent
Trainer Cards are just as crucial as energy cards because they provide a wide range of effects that can help you gain an advantage over your opponent