Dragons you control have indestructible.
At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game.

When The Echoverse Fulcrum enters, draw a card, then discard a card.
, , Exile The Echoverse Fulcrum: Destroy all creatures. Activate only as a sorcery.

You may cast spells with mana value less than or equal to the number of creatures you control from your hand without paying their mana costs.

Changeling (This card is every creature type.)
This creature can't block and can't be blocked.

: This creature gains flying until end of turn.
Whenever this creature deals combat damage to a player, you may pay . If you do, search that player's library for a card and exile it, then the player shuffles.

All creatures get -1/-1.

Inspired — Whenever this creature becomes untapped, you may discard a nonland card. If you do, search your library for a card with the same mana value as that card, reveal it, put it into your hand, then shuffle.

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

(: Add .)

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs. Then put all cards exiled this way that weren't cast into your graveyard.

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle.

(: Add .)

Flying, trample
You can't win the game and your opponents can't lose the game.

As this creature enters, choose an artist.
Whenever a permanent with art by the chosen artist is put into a graveyard, put two +1/+1 counters on this creature.

First strike, haste
Whenever this creature attacks, another target attacking Knight you control gets +1/+0 until end of turn.
Equip abilities you activate that target this creature cost less to activate.

At the beginning of combat on your turn, choose an opponent at random. Ruhan attacks that player this combat if able.

This creature gets +1/+1 for each untapped permanent your opponents control.

If you control two or more other lands, this land enters tapped.
: Add .
: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Whenever Ellivere enters or attacks, create a Virtuous Role token attached to another target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 for each enchantment you control.)
Whenever an enchanted creature you control deals combat damage to a player, draw a card.

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.