There are at least four permanent cards between your hand and graveyard.
Notable Prerequisites
You have at least four cards in hand.
Mana Needed
({3} magic symbol) available.
Steps
Activate
Volrath by paying ({1} magic symbol) , causing it to become a copy of
Psychic Frog until your next turn.
Activate
Volrath using
Psychic Frog's ability four times by discarding four cards.
Holding priority, activate
Volrath by paying ({1} magic symbol) , causing it to become a copy of
Evolution Witness until your next turn.
Resolve the first
Volrath ability from step 2, putting a +1/+1 counter on it.
Volrath triggers, returning a permanent card from your graveyard to your hand.
Repeat steps 4 and 5 for each remaining ability.
Activate
Volrath by paying ({1} magic symbol) , causing it to become a copy of
Cryptic Trilobite until end of turn.
Activate
Volrath using
Cryptic Trilobite's ability twice by removing two +1/+1 counters from it, adding ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) ({C} magic symbol) that can only be spent to activate abilities.
Repeat.
Results
Infinite +1/+1 counters on a creature.
Infinite colorless mana that can only be spent to activate abilities.
Infinite self-discard triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).