Exotic Orchard

{T}: Add one mana of any color that a land an opponent controls could produce.

Throat Wolf

You may cast Throat Wolf during an opponent's combat phase.
Firstest strike (This creature deals combat damage to creatures before creatures with first strike.)
After each opponent's first combat phase of each turn, there is an additional combat phase. Only Throat Wolf can attack during that combat phase.

Terramorphic Expanse

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Liquimetal Torque

{T}: Add {C}.
{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Fellwar Stone

Krosan Adaptation

Enchant creature
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. The copies enter as tokens.)
Enchanted creature gets +1/+0 and has vigilance.

Evolving Wilds

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Hedron Archive

{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

Gilded Lotus

Chromatic Lantern

Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Thought Vessel

You have no maximum hand size.
{T}: Add {C}.

Plains

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.

Experiment Five

{1}{Z}: Put a +1/+2 counter on Experiment Five. ({Z} is paid with one mana from any source that could produce two or more colors of mana.)

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.

Marble Diamond

Marble Diamond enters tapped.
{T}: Add {W}.

Worn Powerstone

Worn Powerstone enters tapped.
{T}: Add {C}{C}.

Bucket List

Whenever you cast a spell of a type showing on Bucket List, put a counter over that type and draw a card. If all five types on Bucket List have counters over them, sacrifice it and draw one more card.
☐ artifact ☐ creature ☐ enchantment ☐ instant ☐ sorcery

High Troller

All targeted spells and abilities cost {2} less and have their targets chosen randomly.

Sol Ring

Generated Horizons

At the beginning of your upkeep, create a Forest land token.

Vazal, the Compleat

Megalegendary (Your deck can have only one copy of this card.)
Vigilance, trample
Vazal, the Compleat has the activated abilities of all other permanents on the battlefield.

Arcane Signet

Impatient Iguana

If Impatient Iguana is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player.
Haste

Decanter of Endless Water

You have no maximum hand size.
{T}: Add one mana of any color.

The World Tree

The World Tree enters tapped.
{T}: Add {G}.
As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."
{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

Path of Ancestry

Path of Ancestry enters tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

You, Magic Playtester

{T}: Choose target playtest card. Increase or decrease a number of your choice on it by one for as long as it remains on the stack or battlefield.
{W}{U}{B}{R}{G}: Reveal the top 8 cards of your library. Put each playtest card among them into your hand, and the rest on the bottom of your library in a random order.

Bear with Set's Mechanic

Vigilance
Aggressive (During your turn, there is an additional combat phase after the first, and only creatures with aggressive may attack during it.)