edhseer Commander synergy, explained
Legendary Creature — Time Lord Doctor
Mana cost: {1}{G}{U}
Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature.
triggered — puts a counter on it
At the beginning of your end step, untap each creature you control with a counter on it.
triggered — untaps a permanent
Causes: put a counter on a creature, untap a creature.
Cares about: a spell is cast, an end step.
a creature untaps — 227 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
a creature gets a counter — 1,143 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
15 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 1,933 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
4 other cards care about it too. These are the ones with the most connections.
a creature attacks — 6,391 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor attacks:
58 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,391 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor attacks:
13 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,391 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor blocks:
2 other cards care about it too. These are the ones with the most connections.
a creature is cast — 6,423 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor is cast:
43 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 6,528 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor enters:
9 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 7,050 cards in The Thirteenth Doctor's colors can cause this (The Thirteenth Doctor is one).
When The Thirteenth Doctor enters:
116 other cards care about it too. These are the ones with the most connections.