Thought Collapse

Counter target spell. Its controller mills three cards.

Simic Growth Chamber

Simic Growth Chamber enters tapped.
When Simic Growth Chamber enters, return a land you control to its owner's hand.
{T}: Add {G}{U}.

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Defender
{2}: Amaranthine Wall gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Defender, flying
Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Defender
{2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender.

Defender
When Wall of Lost Thoughts enters, target player mills four cards.

Enchant creature
{U}: Tap enchanted creature.
{U}: Untap enchanted creature.

Defender
Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.

Defender
{T}: Add X mana in any combination of colors, where X is the number of creatures you control with defender.

Temple of Mystery enters tapped.
When Temple of Mystery enters, scry 1.
{T}: Add {G} or {U}.

Return all attacking creatures to their owner's hand.

Defender (This creature can't attack.)
{2}, {T}, Sacrifice a creature with defender: Draw a card.

Defender, flying (This creature can't attack, and it can block creatures with flying.)