Spells you control can't be countered.
At the beginning of your end step, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Enchant land
Enchanted land has ": Counter target spell unless its controller pays ."

: This turn, creatures can't block unless their controller pays for each blocking creature they control.

Menace
At the beginning of your upkeep, you may create a Treasure token. When you do, target opponent creates a tapped Treasure token.
Whenever this creature attacks, it deals damage to defending player equal to the number of artifacts they control.

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Creatures you control have ": Add one mana of any color."

Destroy target artifact you don't control.
Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy all lands.

Whenever one or more creatures you control fight or become blocked, draw a card.
At the beginning of combat on your turn, you may pay . If you do, double target creature's power until end of turn. That creature must be blocked this combat if able. ( can be paid with either or .)

Flash (You may cast this spell any time you could cast an instant.)
You may cast green creature spells as though they had flash.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

: Add .

(: Add .)

You may exile a white card from your hand rather than pay this spell's mana cost.
Choose a color. All creatures gain protection from the chosen color until end of turn.

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

As Rukarumel enters, choose a creature type.
Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
, : Create a 1/1 colorless Sliver creature token.

Imprint — When this artifact enters, you may exile target land you control.
Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

Sliver creatures you control have deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Domain — Counter target spell unless its controller pays for each basic land type among lands you control.

This land enters tapped.
: Put a storage counter on this land.
, Remove any number of storage counters from this land: Add for each storage counter removed this way.