Green draw/life/elf tokens/insect tokens/buff

Whenever another Elf enters, put a +1/+1 counter on this creature.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Whenever another creature enters, you gain 1 life.

Whenever another nontoken Elf enters, you may create a 1/1 green Insect creature token.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

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

When this creature enters, draw a card.