Flying
When Nicol Bolas enters, each opponent discards a card.
: Exile Nicol Bolas, then return him to the battlefield transformed under his owner's control. Activate only as a sorcery.

, : Add for each Swamp you control.

As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)

Flying, vigilance, indestructible
Other permanents you control have indestructible.

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

This creature gets +1/+1 for each other creature named Seven Dwarves you control.
A deck can have up to seven cards named Seven Dwarves.

Flying
If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

You may cast Dragon spells without paying their mana costs.

This land enters tapped unless you control two or more other lands.
: Add or .

Counter target spell that targets a permanent you control.

If one or more tokens would be created under your control, twice that many of those tokens are created instead.
+1: Create a 1/1 white Soldier creature token.
0: Put a +1/+1 counter on each creature you control. Those creatures gain flying until your next turn.
−3: Destroy target creature an opponent controls with mana value 3 or greater.

Menace
When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

All creatures gain hexproof and indestructible until end of turn. Players gain hexproof until end of turn. Players can't lose life this turn and players can't lose the game or win the game this turn.

Whenever an opponent loses life, that player mills that many cards. (Damage causes loss of life.)

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

When this artifact enters, put a -1/-1 counter on each creature target player controls.
, : Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Flying, trample
Double strike (This creature deals both first-strike and regular combat damage.)
At the beginning of your upkeep, sacrifice this creature unless you pay .
: This creature gets +1/+0 until end of turn.

Nonbasic lands are Mountains.