At the beginning of combat on your turn, put a trample counter on up to one target creature you control
It doesn't exactly put permanents into play the same way other cheat cards do, but you could easily read it as pay 12 life, put a 12-mana creature into play, and the outcome is roughly the same
Not to mention, the blue hue of the Constructs body makes for a stark contrast against the gold frame to help make this card look impressive on a battlefield
Doubling a creatures power is no joke, and the ability to do it multiple times off multiple landfall triggers is heinous
But today, well run through some of the most expensive cards you can open in Magic Foundations Play Boosters right now
Note there are no time windows there like until the next turn or until he leaves play