They don't seem that strong or exciting on paper but in reality Kaya seems to give more control over the game than most planeswalkers
Read More: The 10 Best Equipment Commanders In MTG 4 Vorinclex, Monstrous Raider Vorinclex, Monstrous Raider is a six mana 6/6 with trample and haste that halves the number of counters any opponent puts on anything
Finally, Fury was arguably the best Evoke elemental in the Modern format
Modern black spells in MTG rarely get this kind of efficiency
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, but if two or three of those are true, that's plenty good
Cards like these really help you build your deck by giving you a plan to carry out