Esika's Chariot + Agatha's Soul Cauldron + Kirol, Attentive First-Year + Bioengineered Future

Esika's Chariot

Agatha's Soul Cauldron

Kirol, Attentive First-Year

Bioengineered Future

How it works

1. Cast Esika's Chariot by paying 3.
2. When Esika's Chariot enters, it triggers.
3. Holding priority, activate a creature you control that has a +1/+1 counter on it using Kirol's ability by tapping two creatures you control, copying Esika's Chariot's trigger.
4. Resolve the copy of Esika's Chariot's trigger, creating two 2/2 Cat creature tokens, which each enter with a +1/+1 counter on them due to Bioengineered Future.
5. Repeat from step 3, using one of the Cats to activate Kirol's ability, and then tapping both Cats.

This dazzling loop turns a routine vehicle drop into an endless cascade of feline reinforcements by weaving together activated and triggered abilities. As Esika's Chariot enters the battlefield, its entry trigger normally provides just two initial Cat tokens, but Bioengineered Future ensures those tokens immediately land on the battlefield packing +1/+1 counters. Those counters are the key to unlocking Kirol, Attentive First-Year's tap ability—granted to your creatures via Agatha's Soul Cauldron—which lets you duplicate the Chariot's entry trigger on the spot. By repeatedly copying that trigger and tapping your newly minted Cats to fuel the sequence, you generate an unbounded number of creatures and enter-the-battlefield effects.