digimon card game version 1.5 Bandai - English TCG V1.5 Core Booster Box - 24 Packs 35 Rares DIGIMON CARD GAME RELEASE SPECIAL

And every time it loses a +1/+1 counter you gain a life and give it a +1/+1 counter making it infinite

It is a benchmark sealed investment item

(That's why I said an extender or tracer because if you have tracer in hand you can mill absorouter using ravine add a rokket and then special summon both tracer and that rokket) The best meta decks of the format right now are Dinos, Virtual World, Zoodiac-Zeus, Drytron and just VFD in general

Or if you're into a more modern option you could always just slam a Syr Konrad, the Grim and c-c-combo your way to victory with the Alchemist in a giant swing

A minor con is that the pacing and length of the runs isnt for everyone, since some players want tighter loops