Darksteel Angel dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to its static effect.
Resolve the
Vish Kal ability, putting a number of +1/+1 counters on
Vish Kal equal to the sacrificed creature's power.
Repeat.
Notes
Once
Vish Kal has infinite +1/+1 counters, you may activate its last ability any number of times to reduce the toughnesses of any number of creatures to 0.
Results
Destroy all creatures opponents control.
Infinite +1/+1 counters on a creature.
Infinite creature ETB.
Infinite creature LTB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Metadata
Bracket tag
OddballBracket 2-3+
Probably 2 or 3, but hard to classify
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.