It's just the color of your eyes (or colors, see below)
Players hate to give you opportunities for card draw if they can help it the hatred aimed at stuff like Rhystic Study proves that , and pillowforting up with it, Ghostly Prison and Norn's Annex will at least buy you a few more turns or severely disadvantage opponents who try to get through

Creature - Elemental Mutant Counters (CTRL to add secondary) Creature Danny Pink Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card." Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card." Legendary Creature - Human Soldier Advisor Pir, Imaginative Rascal Partner with Toothy, Imaginary Friend (When this creature enters, target player may put Toothy into their hand from their library, then shuffle.) If one or more counters would be put on a permanent your team controls, that many plus one of each of those kinds of counters are put on that permanent instead
Having five Islands, three Mountains, and a Forest is the same as having one of each, or one Raugrin Triome
For my enemy color combinations, I decided to go in order from my least favorite color combo to my favorite
A great utility card for Minotaur Tribal