edhseer Commander synergy, explained
Legendary Creature — Human Warrior Ally
Mana cost: {2}{U}
At the beginning of your end step, if Katara is tapped, put a +1/+1 counter on her.
triggered — puts a counter on it
Waterbend {6}: Draw a card.
static — draws you 1 card
Causes: put a counter on anything, draw a card.
Cares about: nothing.
an Ally enters the battlefield — 43 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy enters:
a Warrior creature enters the battlefield — 65 cards in Katara's colors can cause this (Katara is one).
a card is drawn — 1,454 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy makes a player draw a card:
25 other cards care about it too. These are the ones with the most connections.
a Human enters the battlefield — 634 cards in Katara's colors can cause this (Katara is one).
a creature attacks — 3,238 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy attacks:
44 other cards care about it too. These are the ones with the most connections.
anything attacks — 3,238 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy attacks:
4 other cards care about it too. These are the ones with the most connections.
a creature blocks — 3,238 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy blocks:
1 other card cares about it too. These are the ones with the most connections.
a creature is cast — 3,254 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy is cast:
12 other cards care about it too. These are the ones with the most connections.
a nontoken creature enters the battlefield — 3,316 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy enters:
2 other cards care about it too. These are the ones with the most connections.
a creature enters the battlefield — 3,581 cards in Katara's colors can cause this (Katara is one).
When Katara, Bending Prodigy enters:
38 other cards care about it too. These are the ones with the most connections.