{T}, Sacrifice an artifact: Add one mana of any type.
Once each turn, when you cast an instant or sorcery spell, you may create a 1/1 colorless Construct artifact creature token.

Lands you control lose all mana abilities and have “{T}: This land deals 1 damage to any target.”
If a nonland source you control would deal damage, prevent that damage and create that many Treasure tokens.

If a creature you control attacking causes a triggered ability of a permanent you control to trigger, if that creature is attacking alone, that ability triggers two additional times.

Haste
Level up {2}{R}
[level 1-2] Haste
Whenever this creature attacks, it deals 2 damage to any target.
[level 3+] Haste
Whenever this creature attacks, it deals 5 damage to any target.

Level up {2}{U}
[level 1-2] If an ability of a permanent you control triggers, it triggers an additional time.
[level 3+] If an ability of a permanent you control triggers, it triggers two additional times.

Flash
When Conduit of Change enters, if you cast it, return all other nonland permanents to their owner's hands.
Spellcharge 7

Whenever an opponent loses life for the first time each turn, they lose 3 life.
Whenever an opponent discards a card for the first time each turn, they discard a card.
Whenever an opponent sacrifices a permanent for the first time each turn, they sacrifice a nonland permanent.

[+1]: Crux deals 1 damage to target player or planeswalker. Put a chain counter on up to one target artifact or nonbasic land. It loses all abilities except mana abilities as long as it has a chain counter on it.
[–2]: Discard a card. When you do, Crux deals damage equal to the discarded card's mana value to up to one target creature and you draw a card.
[–6]: Exile target red instant or sorcery card from your graveyard. Add {R}{R}{R}, then you get an emblem with “You may cast copies of the exiled card.”

Level up {1}{G}
[level 1-2] Whenever you cast a creature spell with power 3 or greater, draw a card.
[level 3+] Whenever you cast a creature spell with power 3 or greater, copy it.

Flying
Whenever a creature you control attacks alone, if a creature you control that isn't attacking has flying, the attacking creature gains flying until end of turn. The same is true for first strike, double strike, deathtouch, hexproof, indestructible, lifelink, menace, protection, and trample.

Exile all creatures and all cards from each player's hand. Any player may play those cards during their turn for as long as they remain exiled, and mana of any type can be spent to cast those spells.
Exile Dawn of Peace.

At the beginning of your upkeep, you may put a charge counter on this Subroutine.
Whenever this Subroutine runs, you may sacrifice it. If you do, destroy all nonland permanents with mana value equal to the number of charge counters on it.

Scry 3, then draw three cards.
If this spell's flashback cost was paid, take an extra turn after this one.
Flashback {7}{U}{U}

Whenever you cycle a card, exile up to one other target creature you control, then return that card to the battlefield under its owner's control.

Return up to three target creature cards from graveyards to the battlefield under your control.
Flashback—{2}{B}{B}, Sacrifice three creatures.

When this creature enters or leaves the battlefield, exchange your graveyard and library, then shuffle.
Whenever a creature dies, draw a card.

Trample
Other creatures have base power and toughness 3/3.
At the beginning of your end step, sacrifice Eo unless you attacked this turn.

Indestructible
As long as your devotion to white and blue is less than seven, Ephara isn't a creature.
Whenever you cast an enchantment spell, draw a card.

Enchant land
Enchanted land has “{T}: Add {G}{G}.”

Estrathian Gentrifiers's power is equal to the number of differently named lands you control.
Whenever Estrathian Gentrifiers enters or attacks, you may sacrifice a basic land. If you do, search your library for a land card, put it onto the battlefield, then shuffle.

When this creature enters, create a colorless artifact token named Puzzlebox with “{T}, Discard a card: Draw a card.”
Whenever a creature you control attacks, you may exile a number of cards from your graveyard equal to its power. If you do, put a +1/+1 counter on it.

Mill X cards. For each land card milled this way, add {B}{B}. For each creature card milled this way, create a 2/2 black Zombie artifact creature token. For each noncreature, nonland card milled this way, draw a card.

Whenever Forgotten Cultivator attacks, mill three cards. Return a permanent card from among the milled cards to your hand.
Spellcharge 4

Create a tapped Leyshard token.

[+1]: Discard up to two cards, then draw that many cards.
[–1]: You may sacrifice a creature. When you do, return target creature card with equal or lesser mana value from your graveyard to the battlefield tapped.
[–2]: You may exile a creature card from your graveyard. When you do, Garren deals damage equal to the exiled creature's power to target creature.