High-value cards, especially those worth over $100, almost always benefit from being graded
If you were using card styles for cards that created copies because you liked making tokens that matched that card style, that won't work anymore
Anikthea is a little expensive at five mana for a 4/4, especially since you need three different color pips
Red-Green is all about playing big, stompy creatures and other expensive spells, with extra payoffs for casting anything with a mana cost of four or higher
Sure, any creature being milled or dying will remove a counter, so if you have a deck that is good at self-milling you could get it going pretty fast, but you probably cant really count on this being good enough all on its own
Kindred Discovery costs five mana and is an Enchantment where you have to choose a Creature type when it enters