Buzz Lightyear, Jungle Ranger comes in with amazing artwork that sees the galaxy defender in a whole new light
Some are frustrating, some have the potential to be overpowered, and some are just heartwarming, but still silly
As it happens, End Hostilities is efficiently costed at only five mana, and even has another important ability to boot: "and all permanents attached to creatures." This means Equipment, Auras with bestow, and other Auras attached to creatures (these would normally die along with the creatures, but it could come up that they're still destroyed if the creature is indestructible or gets regenerated)
Being able to cheat down creatures for free just by swinging is good enough, everything else is just a nice bonus
This climb has been happening even after it was rotated out of Standard (as it became a staple in a Modern deck)
Mana, cards, and early pressure in one creature pushed him to the top of Modern