The main arguments for unbanning seem to be that there are other powerful ramp options available in the format and that Primeval Titan can be easily shut down with removal
Stickers Stickers make me mad mostly for how they mess up my search results when looking up specific keywords or mechanics
If there are no players with one or fewer cards in hand at that time, the ability won't resolve and none of its effects will happen
Roughshod Duo enables both aggressive raccoon and mice decks, for example, while Lightshell Duo fills the graveyard for rat decks and plays well with the spells otter decks depend on
First, the active player (or, if it's not an opponent's turn, the next opponent in turn order) chooses which creature they'll exile, then each other opponent in turn order does the same, knowing choices made before their choice
Divide by Zero 5 This is pretty close to the mark but I think I prefer Repeal and Repulse