Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)Draw three cards.
: Add .: Add one mana of any color. Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.
Protection from AssassinsOther Knights you control get +2/+2 and have protection from Assassins.When Haytham Kenway enters, for each opponent, exile up to one target creature that player controls until Haytham Kenway leaves the battlefield.
Havi, the All-Father has indestructible as long as there are four or more historic cards in your graveyard. (Artifacts, legendaries, and Sagas are historic.)Sage Project — Whenever Havi or another legendary creature you control dies, return target legendary creature card with lesser mana value from your graveyard to the battlefield tapped.
Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)Return target creature card from your graveyard to the battlefield.
FlashWhen Hidden Blade 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
When Tax Collector enters, choose one —• Tax — Until your next turn, spells your opponents cast cost more to cast.• Arrest — Detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
VigilanceWhen Shaun & Rebecca, Agents enters, search your graveyard, hand, and library for a card named The Animus and put it onto the battlefield, then shuffle.: Add . When you do, mill two cards.
Whenever Ezio, Brash Novice attacks, put a +1/+1 counter on it.As long as Ezio has two or more counters on it, it has first strike and is an Assassin in addition to its other types.