
Syr Vondam, Sunstar Exemplar | Legendary Creature | Human Knight | Vigilance, menace
Whenever another creature you control dies or is put into exile, put a +1/+1 counter on Syr Vondam and you gain 1 life.
When Syr Vondam dies or is put into exile while its power is 4 or greater, destroy up to one target nonland permanent. | Ryan Pancoast

Singularity Rupture | Sorcery | | Destroy all creatures, then any number of target players each mill half their library, rounded down. | Liiga Smilshkalne

Mutinous Massacre | Sorcery | | Choose odd or even. Destroy each creature with mana value of the chosen quality. Then gain control of all creatures until end of turn. Untap them. They gain haste until end of turn. (Zero is even.) | Quintin Gleim

Cosmogoyf | Creature | Elemental Lhurgoyf | This creature's power is equal to the number of cards you own in exile and its toughness is equal to that number plus 1. | Chris Rahn

Infinite Guideline Station | Legendary Artifact | Spacecraft | When Infinite Guideline Station enters, create a tapped 2/2 colorless Robot artifact creature token for each multicolored permanent you control.
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 12+.)
STATION 12+
Flying
Whenever Infinite Guideline Station attacks, draw a card for each multicolored permanent you control. | Piotr Dura