As Cavern of Souls enters the battlefield, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.
{2}
Eldrazi Mimic
Creature - Eldrazi
Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn.
2 /
1
{2}
Eldrazi Mimic
Creature - Eldrazi
Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn.
2 /
1
{2}
Eldrazi Mimic
Creature - Eldrazi
Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn.
2 /
1
{2}{R}
Eldrazi Obligator
Creature - Eldrazi
Devoid (This card has no color.)
When you cast this spell, you may pay {1}{C}. If you do, gain control of target creature until end of turn, untap that creature, and it gains haste until end of turn. ({C} represents colorless mana.)
Haste
3 /
1
--
Eldrazi Temple
Land
{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.
--
Eldrazi Temple
Land
{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.
--
Eldrazi Temple
Land
{T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.
{X}
Endless One
Creature - Eldrazi
Endless One enters the battlefield with X +1/+1 counters on it.
0 /
0
{X}
Endless One
Creature - Eldrazi
Endless One enters the battlefield with X +1/+1 counters on it.
0 /
0
--
Eye of Ugin
Legendary Land
Colorless Eldrazi spells you cast cost {2} less to cast.
{7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.
--
Eye of Ugin
Legendary Land
Colorless Eldrazi spells you cast cost {2} less to cast.
{7}, {T}: Search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.
--
Gemstone Caverns
Legendary Land
If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.
{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.
{1}{U}
Hurkyl's Recall
Instant
Return all artifacts target player owns to their hand.
{2}{C}
Matter Reshaper
Creature - Eldrazi
({C} represents colorless mana.)
When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.
3 /
2
{2}{C}
Matter Reshaper
Creature - Eldrazi
({C} represents colorless mana.)
When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.
3 /
2
{2}{C}
Matter Reshaper
Creature - Eldrazi
({C} represents colorless mana.)
When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.
3 /
2
{2}{C}
Matter Reshaper
Creature - Eldrazi
({C} represents colorless mana.)
When Matter Reshaper dies, reveal the top card of your library. You may put that card onto the battlefield if it's a permanent card with mana value 3 or less. Otherwise, put that card into your hand.
3 /
2
{4}{C}
Reality Smasher
Creature - Eldrazi
({C} represents colorless mana.)
Trample, haste
Whenever Reality Smasher becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.
5 /
5
{4}{C}
Reality Smasher
Creature - Eldrazi
({C} represents colorless mana.)
Trample, haste
Whenever Reality Smasher becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.
5 /
5
{4}{C}
Reality Smasher
Creature - Eldrazi
({C} represents colorless mana.)
Trample, haste
Whenever Reality Smasher becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card.
5 /
5
{2}{R}
Vile Aggregate
Creature - Eldrazi Drone
Devoid (This card has no color.)
Vile Aggregate's power is equal to the number of colorless creatures you control.
Trample
Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)