Paradise Druid | Creature | Elf Druid | Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)
{T}: Add one mana of any color. | Nils Hamm
4.0 LSV
Huatli's Raptor | Creature | Dinosaur | Vigilance
When Huatli's Raptor enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Randy Vargas
3.0 LSV
Merfolk Skydiver | Creature | Merfolk Mutant | Flying
When Merfolk Skydiver enters the battlefield, put a +1/+1 counter on target creature you control.
{3}{G}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Sara Winters
3.5 LSV