edhseer Commander synergy, explained
Legendary Creature — Vampire Knight
Mana cost: {1}{B}{R}
Flying
Whenever another creature you control enters, you may discard a card. If you do, put a +1/+1 counter on that creature, it gains haste until end of turn, and it becomes a Vampire in addition to its other types.
triggered —
triggered — puts a counter on it
triggered — grants haste
triggered — turns something into a creature
Causes: discard a card, put a counter on a creature.
Cares about: a creature enters the battlefield.
a Vampire attacks — 344 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War attacks:
a Vampire creature is cast — 344 cards in Olivia's colors can cause this (Olivia is one).
a Vampire deals combat damage — 344 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War deals combat damage:
a Vampire it applies enters with counters to — 350 cards in Olivia's colors can cause this.
349 other cards cause it too. These are the ones with the most connections.
a Vampire it boosts — 350 cards in Olivia's colors can cause this.
349 other cards cause it too. These are the ones with the most connections.
a Vampire enters the battlefield — 352 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War enters:
a Vampire creature it boosts — 353 cards in Olivia's colors can cause this.
350 other cards cause it too. These are the ones with the most connections.
a Vampire creature it grants abilities to — 353 cards in Olivia's colors can cause this.
352 other cards cause it too. These are the ones with the most connections.
a Knight deals combat damage — 152 cards in Olivia's colors can cause this (Olivia is one).
a Knight enters the battlefield — 158 cards in Olivia's colors can cause this (Olivia is one).
a Knight creature it grants types to — 159 cards in Olivia's colors can cause this.
158 other cards cause it too. These are the ones with the most connections.
a card is discarded — 1,069 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War makes a player discard a card:
31 other cards care about it too. These are the ones with the most connections.
a creature gets a counter — 836 cards in Olivia's colors can cause this (Olivia is one).
When a creature gets a counter thanks to Olivia, Mobilized for War:
3 other cards care about it too. These are the ones with the most connections.
anything gets a counter — 1,491 cards in Olivia's colors can cause this (Olivia is one).
3 other cards care about it too. These are the ones with the most connections.
a card in a graveyard — 3,858 cards in Olivia's colors can cause this (Olivia is one).
Olivia, Mobilized for War:
170 other cards care about it too. These are the ones with the most connections.
anything goes to a graveyard — 3,858 cards in Olivia's colors can cause this (Olivia is one).
When a card hits the graveyard thanks to Olivia, Mobilized for War:
3 other cards care about it too. These are the ones with the most connections.
anything attacks — 6,499 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War attacks:
34 other cards care about it too. These are the ones with the most connections.
a creature attacks — 6,499 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War attacks:
85 other cards care about it too. These are the ones with the most connections.
a creature blocks — 6,499 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War blocks:
11 other cards care about it too. These are the ones with the most connections.
a creature it boosts — 7,020 cards in Olivia's colors can cause this.
7,010 other cards cause it too. These are the ones with the most connections.
a creature it makes cheaper to cast — 7,020 cards in Olivia's colors can cause this.
7,015 other cards cause it too. These are the ones with the most connections.
a creature it grants abilities to — 7,020 cards in Olivia's colors can cause this.
7,010 other cards cause it too. These are the ones with the most connections.
a creature it applies speed increase to — 7,020 cards in Olivia's colors can cause this.
7,010 other cards cause it too. These are the ones with the most connections.
a creature it applies extra combat to — 7,020 cards in Olivia's colors can cause this.
7,019 other cards cause it too. These are the ones with the most connections.
a creature it grants types to — 7,020 cards in Olivia's colors can cause this.
7,018 other cards cause it too. These are the ones with the most connections.
a creature enters the battlefield — 7,209 cards in Olivia's colors can cause this (Olivia is one).
When Olivia, Mobilized for War enters:
114 other cards care about it too. These are the ones with the most connections.