If the equipped creature is dealt lethal damage at the same time that you gain life, it will die before Excalibur II's first ability would resolve
It also reduces the first-turn advantage, since regular Basic Pokmon need multiple turns to evolve
(See rule 101.4.) Then the game once again checks for and resolves state-based actions until none are performed, then abilities that triggered during this process go on the stack
The colorless energy cost is also a massive bonus as it means Jumpluff can be paired with lots of different Pokmon
The machine that Teferi used to travel back in time malfunctioned, trapping him on the long-lost plane of Zhalfir, which had been stuck in the cracks of time since Teferi phased it out during the first invasion of Dominaria
In essence, Wizards of the Coast had "soft banned" these wonderful lands from tournament play: And these: And even these: Choosing what basic lands you want to play with has been a tournament Magic player's rite of passage forever
