Elves of Deep Shadow

{T}: Add {B}. This creature deals 1 damage to you.

Elvish Mystic

Birds of Paradise

Bloom Tender

{T}: For each color among permanents you control, add one mana of that color.

Arbor Elf

Hogaak, Arisen Necropolis

You can't spend mana to cast this spell.
Convoke, delve (Each creature you tap while casting this spell pays for {1} or one mana of that creature's color. Each card you exile from your graveyard pays for {1}.)
You may cast this card from your graveyard.
Trample

Llanowar Elves

Priest of Titania

{T}: Add {G} for each Elf on the battlefield.