I was just thinking that we might value the third point of toughness more than the haste of Geier Reach Bandit
Your hand, graveyard, and library are still very much in the game (more on that later) and these cards will work as normal because you arent protected from effects such as these
If that creature had exiled a Human you controlled until that creature left the battlefield, that Human will return to the battlefield in time to be counted
Actually, it goes one step further because it gets around indestructible and Hexproof abilities, forcing players to sacrifice all their creatures
After that, you'll have to rely on other sources of counters to keep the ability going
If the player can make a game-winning play on turn one or two with so much extra mana, what's a little Lightning Bolt to the face