Archfiend of Despair [Battlebond] Troll Warrior you may put a -1/-1

you may put a -1/-1 counter on target creature

Set: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield

exile them

Set: The List Type: Enchantment Creature — Nymph Dryad Rarity: Rare Cost: {2}{G} You may play an additional land on each of your turns

I don't want to see more things

Archfiend of Despair [Battlebond] Troll Warrior you may put a -1/-1Set: Battlebond Type: Creature Demon Rarity: Mythic Cost: {6}{B}{B} Flying Your opponents can't gain life. At the beginning of each end step, each opponent loses life equal to the life that player lost this turn. (Damage causes loss of life.)