Menace Assassin spells you cast have freerunning {B}{B}. (You may cast a spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Whenever Ezio deals combat damage to a player, you may pay {W}{U}{B}{R}{G} if that player has 10 or less life. When you do, that player loses the game.

Flash When this Equipment enters, attach it to target creature you control. If that creature is an Assassin, it gains deathtouch until end of turn. Equipped creature gets +1/+0 and has first strike. Equip {2}

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Destroy target artifact or enchantment.