edhseer Commander synergy, explained
Legendary Creature — Human Warrior Hero
Mana cost: {3}{G}{G}
If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.
static — puts twice that many counters on it
Power-up — {5}{G}{G}: Put three +1/+1 counters on Shang-Chi.
static — puts 3 counters on it
Causes: put a counter on anything.
Cares about: a creature gets a counter.
a Human gets a counter — 52 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
a Hero creature it grants types to — 70 cards in Shang-Chi's colors can cause this.
69 other cards cause it too. These are the ones with the most connections.
a Hero enters the battlefield — 71 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
a Warrior creature enters the battlefield — 308 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
a Warrior enters the battlefield — 310 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
a creature gets a counter — 836 cards in Shang-Chi's colors can cause this.
11 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 453 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor enters:
a creature attacks — 3,620 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor attacks:
40 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,620 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor attacks:
6 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,620 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor blocks:
1 other card cares about it too. These are the ones with the most connections.
a creature is cast — 3,640 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor is cast:
29 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,710 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
When Shang-Chi, Martial Mentor enters:
6 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 4,064 cards in Shang-Chi's colors can cause this (Shang-Chi is one).
83 other cards care about it too. These are the ones with the most connections.