II Whenever an Assassin you control attacks this turn, put a +1/+1 counter on it
This is about as easy of an include as you can get in Affinity decks
This makes it easier to build around Mais downside, and turn it into a one-sided damage engine for your black decks
Here are some prompts to get the brain juices flowing: Tribal: Humans, Goblins, Spirits, Barbarians, Ninjas, Sea Creatures, Constructs, Eldrazi, Plants, Hydras Keywords: Lifelink, Flying, Deathtouch, First Strike, Horsemanship (its real I promise), Menace, Shadow Synergies/Card Effects: Historic, +1/+1 Counters, -1/-1 Counters, Blink (exiling permanents), Tokens, Superfriends (Planeswalkers), Aristocrats (sacrifice with [Card]Zulaport Cutthroat[/Card]), Lands Matter, Counterspell Tribal, X-Spell Tribal Archetype: Control, Aggro, Midrange, Combo Determining Your Colours With no Commander yet, were still open to build in any direction