At the beginning of your upkeep, exile the top two cards of your library. Until your next end step, you may play one of those cards.
At the beginning of your end step, if you didn't play a card from exile this turn, create a tapped Powerstone token.

Enchant Mountain
Enchanted Mountain is a 7/7 red Giant creature with haste. It's still a land.

When a source an opponent controls deals damage to you, sacrifice this enchantment. If you do, create a 5/5 red Dragon creature token with flying.

(Gain the next level as a sorcery to add its ability.)
If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.
: Level 2
Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn.
: Level 3
Creatures you control have haste.

Enchant land
Enchanted land has ": This land deals 1 damage to any target."

, Sacrifice a creature: This enchantment deals 1 damage to any target.

At the beginning of combat on your turn, target creature you control gets +2/+0 until end of turn.
Basic landcycling

Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller.

Creatures can't block.

Attacking creatures you control have double strike.

Enchant creature
When this Aura enters, draw a card at the beginning of the next turn's upkeep.
Whenever enchanted creature becomes blocked, it gets +4/+0 and gains trample until end of turn.

Enchant creature
Sacrifice an untapped creature: Enchanted creature gets +2/+0 until end of turn.
Sacrifice enchanted creature: Creatures you control get +2/+0 until end of turn.

As this enchantment enters, choose two players.
If a source controlled by one of the chosen players would deal damage to the other chosen player or a permanent that player controls, that source deals double that damage to that player or permanent instead.

When this enchantment enters, you may discard a card. If you do, draw two cards.
, Sacrifice this enchantment: Creatures you control gain haste until end of turn.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a colorless Equipment artifact token named Sword with "Equipped creature gets +1/+1" and equip .
: Level 2
At the beginning of combat on your turn, attach target Equipment you control to up to one target creature you control.
: Level 3
During your turn, equipped creatures you control have double strike and haste.

, Sacrifice this enchantment: It deals 3 damage to each tapped creature and each player.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

Nonbasic lands are Mountains.

, Sacrifice a creature: This enchantment deals 2 damage to any target.

When this enchantment enters, draw a card.
All lands lose all abilities except mana abilities.

Enchant creature you control
, Sacrifice enchanted creature: This Aura deals damage equal to the sacrificed creature's power to each creature.

Enchant creature
Enchanted creature attacks each combat if able.

Each noncreature, non-Equipment artifact is an Equipment with equip and "Equipped creature gets +X/+0," where X is that artifact's mana value.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Amass Orcs 1.
Amass Orcs 2.
Creatures you control get +1/+0 and gain menace until end of turn.

Enchant creature
Cumulative upkeep
Enchanted creature's controller can't cast creature spells.

Enchant creature
Enchanted creature gets +1/+1 for each other creature you control.

Whenever an attacking creature you control dies, this enchantment deals 2 damage to each opponent.
Raid — At the beginning of each of your postcombat main phases, if you attacked this turn, exile the top card of your library. Until end of combat on your next turn, you may play that card.

When this enchantment enters, exile cards from the top of your library until you exile a nonland card. You may cast it without paying its mana cost if that spell's mana value is 8 or less. If you don't, put that card into your hand.
When a Dragon you control enters, return this enchantment to its owner's hand.

: Target creature with power 2 or less gains haste until end of turn and can't be blocked this turn.