edhseer Commander synergy, explained
Land
Add {C}.
activated {T} — adds 1 mana
Add one mana of any color. Spend this mana only to cast a Ninja or Turtle spell.
activated {T} — adds 1 mana
Target Ninja or Turtle can't be blocked this turn.
activated {3}, {T} — restricts what can block it
Causes: nothing.
Cares about: nothing.
a land enters the battlefield — 1,560 cards in the game can cause this (Turtle Lair is one).
When Turtle Lair enters:
199 other cards care about it too. These are the ones with the most connections.