Animar has fewer than two +1/+1 counters on it available.
Steps
Cast
Ebondeath from your graveyard by paying , reduced by for each +1/+1 counter on
Animar.
Geralf's first ability and
Animar trigger.
Resolve the
Animar trigger, putting a +1/+1 counter on it.
Resolve the
Geralf trigger, creating a 2/2 Zombie Rogue creature token.
When the Zombie Rogue enters the battlefield,
Geralf's second ability triggers, putting a number of +1/+1 counters on the Zombie Rogue equal to the number of other Zombies that entered the battlefield under your control.
When
Ebondeath enters the battlefield,
Geralf's second ability triggers, putting a number of +1/+1 counters on
Ebondeath equal to the number of other Zombies that entered the battlefield under your control.
Activate
Phyrexian Altar twice by sacrificing the Zombie Rogue and
Ebondeath, adding .
Repeat.
Notes
This combo will steadily put more +1/+1 counters on
Ebondeath and the Zombie Rogue token, eventually resulting in an infinite number of them.
Results
Infinite creature LTB.
Infinite creature ETB.
Infinite creature sacrifice triggers.
Infinite death triggers.
Infinite storm count.
Infinite +1/+1 counters on a creature token.
Infinite +1/+1 counters on a creature.
Metadata
Bracket tag
ExhibitionBracket 1+
For any deck
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.