Not that these cards are bad Game 1
Some things that may draw you into specific colors are: A really strong rare you're excited about Plenty of "removal" cards that can deal with your opponent's creatures A lot of playable cards in that color A good "mana curve" in that colormeaning lots of creatures of different costs Ideally, the colors you pick will have all four of these criteria, but if two or three of those are true, that's plenty good
A bit more tenuous, but there's also the Amulet Titan archetype, all about ramping as swiftly as possible, which already aims to play numerous lands each turn
Creatures that draw you cards like [c]Spirited Companion[/c] and [c]Organ Hoarder[/c] are also excellent resources
However, the select few Psychic Type decks that are viable are among the best - being solid at worst and excellent within the meta at best
Daretti comes in with three loyalty, and you can gain two to discard up to two cards and then draw that many, or lose two loyalty to sacrifice an Artifact to bring a different one back to the battlefield from the graveyard