It's a bit of a stretch to say that's like taking an extra combat every turn, but it's also not that far off from the truth
wallisface on Triassic Trample 2 years ago it does look a lot better, though doing some playtesting it feels a little slow - the fastest you can realistically get a big dino into play is turn 4, and I think you want to be trying to be able to present a threat on turn 3
Finally, there is also the possible issue of reprinting the Onslaught fetches
He never returned to his original survivor group
One of the things I love about casual EDH is that there is a lot of space for interesting, janky and even "bad" decks, provided you are playing in a group where the power level allows those suboptimal decks to actually have a game and do stuff
This ranges from +1/+1 counters on a creature you control to -1/-1 counters on a creature you (ideally) dont control to planeswalker loyalty counters, charge counters on artifacts, level-up counters, etc