Ice Cave

Whenever a player casts a spell, any other player may pay that spell’s mana cost. If a player does, counter the spell. (Mana cost includes color.)

Jalum Tome

, : Draw a card, then discard a card.

Jalum Tome

, : Draw a card, then discard a card.

Skyshroud Blessing

All lands gain shroud until end of turn. (They can’t be the targets of spells or abilities.)
Draw a card.

Shifting Sky

As Shifting Sky enters, choose a color.
All nonland permanents are the chosen color.

Treva’s Ruins

When Treva’s Ruins enters, sacrifice it unless you return a non-Lair land you control to its owner’s hand.
: Add , , or .

Capashen Unicorn

, , Sacrifice Capashen Unicorn: Destroy target artifact or enchantment.

Flight

Enchant creature
Enchanted creature has flying.

Goblin Cadets

Whenever Goblin Cadets blocks or becomes blocked, target opponent gains control of it. (This removes Goblin Cadets from combat.)

Sneak Attack

: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Goblin Lackey

Whenever Goblin Lackey deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield.