mtg riku of two reflections commander deck Budget Whenever you cast an instant or sorcery spell Riku of Two Reflections -

Maleficent Mistress of Evil Diablo Faithful Pet Chernabogs Followers Creatures of Evil Chernabogs Followers quite clearly pair well with the ten-cost Chernabog in Amber, letting you add more characters to your discard so you can eventually play Chernabog for less cost

Then when she swings, we can make a tapped and attacking 1/1 Ally to grow her fast

Shared Animosity Shared Animosity is important as it makes all your Assassins much scarier to block, and makes it easier to drain your opponents' life

That depends on your goals

Karfell Harbinger Conditional mana dorks for blue is a long running theme, and this is yet another example of "a card that exists" and won't see much, if any, play

This specific deck cuts through the noise to give you a simple and fun introduction