I am a player from way back and was always disappointed there never was a Serra card. I looked into it and she apparently was killed by an "unknown planeswalker." Why not make that card?
Algis, Life Taker [3] BBB
+1 Destroy up to one target tapped creature
+2 Remove two loyalty counters from another target planeswalker
-5 Exile target creature, that creature's controller gains an emblem with "At the beginning of your upkeep lose 1 life"
UUWW
Ver, Impediment Master
Legendary Creature - Human Adviser
When Ver, Impediment Master enters the battlefield, choose a card type other than land.
Cards with the chosen type can't be played.
2/4
Algis, Life Taker [3]
BBB
+1 Destroy up to one target tapped creature
+2 Remove two loyalty counters from another target planeswalker
-5 Exile target creature, that creature's controller gains an emblem with "At the beginning of your upkeep lose 1 life"