MScore: 8.5/10
Knight of the Ebon Legion
Creature — Vampire Knightrare
: This creature gets +3/+3 and gains deathtouch until end of turn.
At the beginning of your end step, if a player lost 4 or more life this turn, put a +1/+1 counter on this creature. (Damage causes loss of life.)
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Illustrated by Alex Konstad · Core Set 2020 · #105
Rulings for Knight of the Ebon Legion
4
2019-07-12
Knight of the Ebon Legion looks at your entire turn to determine whether a player lost 4 or more life. It doesn't matter how many players lost 4 or more life, only whether anyone did. It also doesn't matter whether Knight of the Ebon Legion was on the battlefield when they lost life.
2019-07-12
It doesn't matter whether a player has 4 or less life than they started the turn with. If a player lost 4 life but also gained 6 life, that player still lost 4 life.
2019-07-12
A player doesn't need to have lost 4 life all at once. If a player loses 2 life twice during a turn, that player lost 4 life during that turn, and Knight of the Ebon Legion receives a +1/+1 counter.
2019-07-12
A player loses life if they pay life.
: This creature gains your choice of flying, deathtouch, or lifelink until end of turn.
, Pay 1 life: Add 
. Spend this mana only to cast an Elf creature spell.