Hate is an everlasting wellspring from which she is eternally sustained.

Nirkana Revenant

Vigilance, reach
Each legendary spell you cast that's one or more colors has web-slinging {GWU}.

Whenever you tap a Swamp for mana, add an additional {B}.
{B}: This creature gets +1/+1 until end of turn.

Hate is an everlasting wellspring from which it is eternally sustained.

Whenever you tap a Swamp for mana, add {B} to your mana pool (in addition to the mana the land produces).
{B}: Nirkana Revenant gets +1/+1 until end of turn.

Secret Lair Drop

Crimson Vow Commander

Battlebond

Whenever you tap a Swamp for mana, add an additional {B}.
{B}: Nirkana Revenant gets +1/+1 until end of turn.