Shiko holds the monks of the Jeskai to high, perhaps impossible, standards and will not hesitate to correct or admonish them, considering it a necessary part of guiding them toward unity of mind
Ancient Den, Shuko, and Infested Fleshcutter are great ways to buff the Synergist
The more creatures you control, the stronger they get
The typical one-mana 2/1 isn't as big of a threat in Commander as it is in some Constructed formats, but cheap spells like this make it much easier to empty your hand and flood the board with creatures
Menace vs Double Strike Menace doesnt have any special interactions with double strike
That being said, reanimating Legate Lanius, Caesars Ace can get pretty oppressive, especially in a deck full of edict creatures