Enchant creature
Enchanted creature gets +3/+3, has reach, and is a Giant in addition to its other types.

Each player sacrifices three creatures. You create three Food tokens. (They're artifacts with ", , Sacrifice this artifact: You gain 3 life.")

When Tempting Witch enters the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")
, , Sacrifice a Food: Target player loses 3 life.

This spell costs less to cast for each creature card in your graveyard.
Whenever a creature you control dies, put it on the bottom of its owner's library.
, , Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate this ability only any time you could cast a sorcery.

This spell costs less to cast for each Knight you control.
Creatures you control get +1/+1.
Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance.
, : Create a 2/2 white Knight creature token with vigilance.

This spell costs less to cast, where X is the greatest power among creatures you control.
: Add . You gain 2 life.
Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.

This spell costs less to cast for each instant and sorcery card in your graveyard.
You have no maximum hand size.
At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.

[+1]: Draw a card, then discard a card.
[+1]: Target creature gets +2/+0 and gains first strike and trample until end of turn.
[−8]: Draw four cards. When you do, The Royal Scions deals damage to any target equal to the number of cards in your hand.

Trample
Whenever Thorn Mammoth or another creature enters the battlefield under your control, Thorn Mammoth fights up to one target creature you don't control.

Thornwood Falls enters the battlefield tapped.
When Thornwood Falls enters the battlefield, you gain 1 life.
: Add or .

As an additional cost to cast this spell, discard a card.
Draw two cards.

Whenever you cast a spell with converted mana cost 5 or greater, draw a card.

Flying
When Tome Raider enters the battlefield, draw a card.

Tome of Legends enters the battlefield with a page counter on it.
Whenever your commander enters the battlefield or attacks, put a page counter on Tome of Legends.
, , Remove a page counter from Tome of Legends: Draw a card.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

: Add .
: Add , , or . Spend this mana only to cast a Knight or Equipment spell.

When Trail of Crumbs enters the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")
Whenever you sacrifice a Food, you may pay . If you do, look at the top two cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Enchant creature without flying
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Create a Food token. (Then exile this card. You may cast the creature later from exile. A Food token is an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Exile target artifact or enchantment.
Draw a card.