If you would gain life, you gain twice that much life instead.
If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Each player sacrifices all colored permanents they control.

Choose one —
• Target creature you control gets +1/+2 until end of turn.
• Return target creature you control to its owner's hand.

Menace

: Add one mana of any color.

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Draw three cards, then put a card from your hand on the bottom of your library.

When Ambassador Oak enters the battlefield, create a 1/1 green Elf Warrior creature token.

Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost.

: Target creature can't be blocked this turn.

At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead.

Enchant creature
Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Enchant creature
When Ancestral Vengeance enters the battlefield, put a +1/+1 counter on target creature you control.
Enchanted creature gets -1/-1.

(Ancient Den isn't a spell.)
: Add .

Destroy target artifact.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order. (Cards with no colored mana in their mana costs are colorless. Lands are also colorless.)

: Add one mana of any color. Spend this mana only to cast a creature spell.