Ambush Krotiq

A 5/5 trample for six is fair, unremarkable rate, so the whole design lives in a single enters-the-battlefield line that reads two ways at once. As a drawback, the mandatory bounce is a tax stapled to a body that would otherwise be too clean for the cost: green pays for its beaters with strict downside, and here the price is a creature back to hand. As an upside, it is free recursion of any enters-the-battlefield trigger you already have out, resetting a value engine while a large trampler lands on the same turn. The return is not optional and it does not choose a target on the stack; it resolves by making you return another creature you control, so if anything else is on the board, one is going home whether you want it to or not. That mechanic punishes a board you would rather leave alone and rewards one built to be picked apart. The mismatch between a plain trampling beater and a non-negotiable bounce is what keeps it out of straightforward aggro and into shells that treat the return as fuel: blink and flicker builds, mana-dork loops, anything that wants to re-trigger a creature it has already spent. The interesting seam is that the drawback and the payoff are the same clause, and which one you get is decided entirely by what you have already committed to the table.