Creature that enters with at least two more +1/+1 counters than the amount spent to cast it
Initial Card State
All permanents on the battlefield.
Mana Needed
({1} magic symbol) ({G} magic symbol) available.
Steps
Activate
Temur Sabertooth by paying ({1} magic symbol) ({G} magic symbol) , returning a creature from the battlefield to your hand and giving
Temur Sabertooth indestructible until end of turn.
When that creature leaves the battlefield,
Resourceful Defense triggers, putting a +1/+1 counter onto
Crystalline Crawler for each +1/+1 counter that was on that creature.
Activate
Crystalline Crawler's mana ability repeatedly by removing all +1/+1 counters from it, adding one mana for each counter.
Cast the creature you returned by paying its mana cost, causing it to enter the battlefield with at least two more +1/+1 counters than the amount of mana spent to cast it.
Repeat.
Results
Infinite +1/+1 counters on permanents you control.
Infinite blinking.
Infinite colored mana.
Infinite creature ETB.
Infinite creature LTB.
Infinite storm count.
Metadata
In 11 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).