{T}, Sacrifice Leyshard: Draw a card. Add one mana of any type.

When Leyspark Wielder enters, if you cast it, add {G}{U}{R}. Spend this mana only to cast instant or sorcery spells.
Whenever you cast an instant or sorcery spell, target creature gets +1/+1 and gains trample and haste until end of turn.

At the beginning of your end step, you gain 1 life. Then if it's your first turn of the game or you discarded a card named Leystone of Being this turn, create an X/X white Avatar creature token, where X is the difference between your life total and your starting life total.
Cycling {W}

At the beginning of your end step, scry 1. Then if it's your first turn of the game or you discarded a card named Leystone of Depths this turn, draw a card.
Cycling {U}

At the beginning of your end step, untap another permanent. Then if it's your first turn of the game or you discarded a card named Leystone of Growth this turn, put a growth counter on that permanent. It gains “{T}: Add one mana of any type.”
Cycling {G}

At the beginning of your end step, each player mills two cards. Then if it's your first turn of the game or you discarded a card named Leystone of Ruin this turn, target opponent mills four cards.
Cycling {B}

At the beginning of your end step, Leystone of Storms deals 1 damage to each opponent. Then if it's your first turn of the game or you discarded a card named Leystone of Storms this turn, Leystone of Storms deals 1 damage to any target.
Cycling {R}

Whenever you cast an instant spell, up to one target creature gets +2/+2 until end of turn.
Whenever you cast a sorcery spell, reveal the top card of your library. If its mana value is less than the greatest power among creatures you control, put it into your hand.

This spell costs {2} less to cast if you attacked with a legendary creature this turn.
Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Equipped creature gets +2/-1.
Equip {1}

Lifelink
Level up—{1}, Pay 4 life.
[level 1-4] Lifelink
Whenever you gain life, draw a card.
[level 5+] Lifelink
Whenever you gain life, draw that many cards.

{T}: Add {R}{R}{R}. Spend this mana only to cast creature spells. If that mana is spent on a creature spell, it enters with an additional haste counter and decayed counter on it.

Equipped creature gets +1/+1 and has flying.
Fabric — Equip {4}. This ability costs {1} less to activate for each enchantment you control.

Vigilance, ward {1}
Whenever Lio or another enchantment creature you control enters, put a +1/+1 counter on that creature. You gain 1 life and draw a card.

Whenever Lithe Stalker or another artifact you control enters, artifact creatures you control gain first strike until end of turn.

{1}, {T}: Add one mana of any color.
{2}, Sacrifice Living Compass: Draw a card.

Whenever this creature enters or leaves the battlefield, surveil 1.

Enchant creature
Enchanted creature gets +2/+2.
Wander {2}{W}

Create a 2/2 blue Drake creature token with flying.
Whenever a creature you control enters, if it wandered, you may exile Lofty Frontiers from your graveyard. If you do, create a 2/2 blue Drake creature token with flying.

Flying
When Lofty Voter enters, make a pledge.

Solidarity
Londel Sharpshot can't be blocked by creatures with power 2 or less.

Whenever this creature transforms into Lone Switchblade or another permanent you control transforms, each opponent loses 1 life and you gain 1 life.

This land enters tapped.
{2}{W}{B}, {T}: Surveil 1.

When this creature enters, mill two cards.
{2}{B/G}{B/G}, Exile this card from your graveyard: Return target creature or enchantment card from your graveyard to your hand.

Put any number of target noncreature cards from your graveyard on top of your library in any order.
Draw a card, then exile Long-Lost Legacy.