Those are green-blue, green-black, and green-red
You can literally dredge large numbers of cards into your graveyard every turn for zero mana but even if you dont want to tap out resources each turn filling your yard, the threat of doing it at instant speed should have every potential attacker thinking twice before tangling with the Wreath
Belles standard card variant isnt particularly cheap either, with the non-Enchanted card selling for around $22
Scar Finally King (Enchanted) With a cost of five Ink, a Strength of five, a Willpower of four, and the ability to earn two Lore per quest, Scar Finally King is one of those cards that earns a place in your deck on its strength alone
This item has multiple variants
Chipping away for 4 combat damage at a time grinds life totals away and handles planeswalkers neatly