Ezuri, Renegade Leader

{G}: Regenerate another target Elf.
{2}{G}{G}{G}: Elf creatures you control get +3/+3 and gain trample until end of turn.

Drove of Elves

Hexproof
Drove of Elves's power and toughness are each equal to the number of green permanents you control.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

Other Elves you control get +1/+1.
{G}, {T}: Create a 1/1 green Elf Warrior creature token.

Create a 1/1 green Elf Warrior creature token for each Elf you control.

Other Elf creatures you control get +1/+1.
{T}: Add {G} for each Elf you control.

Steel Leaf Champion can't be blocked by creatures with power 2 or less.

Whenever another creature enters, you gain 1 life.