Llanowar Elves

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. This land deals 1 damage to you.

Urborg Elf

Karplusan Forest

{T}: Add {C}.
{T}: Add {R} or {G}. This land deals 1 damage to you.

Island

Swamp

Glade Gnarr

Whenever a player casts a blue spell, this creature gets +2/+2 until end of turn.

Priest of Titania

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

Aether Mutation

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.

Temporal Spring

Put target permanent on top of its owner's library.

Recoil

Return target permanent to its owner's hand. Then that player discards a card.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Jungle Barrier

Defender (This creature can't attack.)
When this creature enters, draw a card.

Thunderbolt

Choose one —
• Thunderbolt deals 3 damage to target player or planeswalker.
• Thunderbolt deals 4 damage to target creature with flying.

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. This land deals 1 damage to you.

Mountain

Forest

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.