These are the categories where the steady money actually sits: Modern singles in Choose Your Card format
Bloodmark Mentor eternally grants all red creatures you control first strike at two mana
Whether it's protecting your creatures, cheating finality counters, or just smashing with big green creatures (my favourite thing to do), these are definitely good excuses to splash out on a precon or two
Lifecrafter's Bestiary Green has a good amount of artifact hate, but it certainly doesnt loathe this one
Legendary Creature - Human Noble Arwen, Mortal Queen Arwen enters with an indestructible counter on it
But that's hard to make work and easy to disrupt with removal of the Commander himself or by the Anthems (Glorious Anthem), Auras (Rancor) or Equipment (Bonesplitter), and if you sweep you really break him with mass removal, and recasting a five cost is rough