Slime Against Humanity

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity.
A deck can have any number of cards named Slime Against Humanity.

Sol Ring

Exploration

You may play an additional land on each of your turns.

Locket of Yesterdays

Spells you cast cost {1} less to cast for each card with the same name as that spell in your graveyard.

Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.

Lotus Cobra

Landfall — Whenever a land you control enters, add one mana of any color.

Wonder

Flying
As long as this card is in your graveyard and you control an Island, creatures you control have flying.

Goblin Anarchomancer

Each spell you cast that's red or green costs {1} less to cast.

Lotus Petal

{T}, Sacrifice this artifact: Add one mana of any color.

Flubs, the Fool

You may play an additional land on each of your turns.
Whenever you play a land or cast a spell, draw a card if you have no cards in hand. Otherwise, discard a card.

Crucible of Worlds

Azusa, Lost but Seeking

You may play two additional lands on each of your turns.

Mountain

Forest

Ensnaring Bridge

Creatures with power greater than the number of cards in your hand can't attack.

Abundance

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

Island

Anger

Haste
As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.