Plains

Aura Shards

Whenever a creature you control enters, you may destroy target artifact or enchantment.

Sterling Grove

Other enchantments you control have shroud. (They can't be the targets of spells or abilities.)
{1}, Sacrifice Sterling Grove: Search your library for an enchantment card, reveal it, then shuffle and put that card on top.

Forest

Humble

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Eladamri's Call

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Mountain

Diligent Farmhand

{1}{G}, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Birds of Paradise

Regrowth

Return target card from your graveyard to your hand.

Tinder Wall

Defender (This creature can't attack.)
Sacrifice Tinder Wall: Add {R}{R}.
{R}, Sacrifice Tinder Wall: It deals 2 damage to target creature it's blocking.

Fleetfoot Panther

Flash
When Fleetfoot Panther enters, return a green or white creature you control to its owner's hand.

Angelic Chorus

Whenever a creature you control enters, you gain life equal to its toughness.

Aluren

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

Horned Kavu

When Horned Kavu enters, return a red or green creature you control to its owner's hand.

Pandemonium

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.