Leyline Binding Six mana for an Oblivion Ring effect is very expensive, but guess what
3 Combat Celebrant One For All, All 4/1 Combat Celebrant was deliberately designed not to produce infinite combat loops, but it turns out you can just make copies of Celebrant and exert those instead to set up as many combat steps as you need
At a bare minimum, you can turn your 1/1 token into a card every turn for just two mana, but Dockside Chef starts taking over games when it triggers Oni-Cult Anvil using additional fodder
He then kills them off in terrible fashion, using deadly traps and monsters while baiting and ridiculing them
You can exile a big red cards from your hand (Progenitus, for example) and this could easily be the lethal damage you need at instant speed
Twenty years later, one of them resurfaced, and collectors got to work