Flying, ward
This creature enters prepared.
Whenever this creature attacks, you may exile eight cards from your graveyard. If you do, this creature becomes prepared.

At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a Pegasus.
: Create a 1/1 white Pegasus creature token with flying.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

You may sacrifice a Mountain rather than pay this spell's mana cost.
Destroy target artifact.

, : Put a mine counter on target land.
Whenever a land with a mine counter on it becomes tapped, destroy it.
When this creature leaves the battlefield, remove all mine counters from all lands.

{TK}{TK} — Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is the amount of generic mana in that spell's mana cost.
{TK}{TK}{TK} — Hexproof
{TK}{TK} — 4/2
{TK}{TK}{TK}{TK} — 6/6

Whenever you draw a card, you may pay . If you do, put a +1/+1 counter on this creature and create a 1/1 blue Tentacle creature token.

Cumulative upkeep—Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever you win a coin flip, this creature deals 1 damage to any target.
Whenever you lose a coin flip, this creature deals 1 damage to any target of an opponent's choice.

Whenever a creature token leaves the battlefield, put a +1/+1 counter on this creature.
, Remove a +1/+1 counter from this creature: Create two 1/1 white Spirit creature tokens with flying.

Flying

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Choose two —
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.

Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

This creature gets +1/+1 for each enchantment on the battlefield.

(An ongoing scheme remains face up.)
At the beginning of your end step, put a doom counter on this scheme, then this scheme deals damage equal to the number of doom counters on it to the opponent with the highest life total among your opponents. If two or more players are tied for highest life total, you choose one.

Changeling (This card is every creature type.)
As this creature enters, choose a creature type.
You may look at the top card of your library any time.
You may cast creature spells of the chosen type from the top of your library.

Search your library for a green creature card, reveal it, put it into your hand, then shuffle.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

Counter target spell with mana value X. (For example, if that spell's mana cost is , X is 5.)

(: Add .)

: You may put a land card from your hand onto the battlefield. If you control ten or more lands, flip this creature.