Many Assassins have various keyword abilities such as menace, which makes them not only harder to block, but more likely to take out your opponents, especially if their life total hits 10 for Ezio Auditore da Firenze to make them lose the game with its triggered ability
There are also promo codes that get you freebies - at the moment the code PLAYM21 gets you three Core Set 2021 booster packs
While this seemingly spells good news for MEIKO, Explosive Entertainer, its worth remembering that Elvish Mystic is a true staple
You'll never miss a land drop again, and this also really helps to filter your deck, ensuring you're less likely to whiff on a later draw
Why does it keep changing
Each deck contains cards for: Energy (Grass, Fire, Water, Lightning, Psychic, Fighting, Darkness, Metal, Fairy, Colorless/Multicolor)