Flying
Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.

Equipped creature gets +2/+2 and has protection from blue and from black.
Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
Equip

Haste
Merry has first strike as long as it's equipped.
Whenever you attack with Merry and another legendary creature, draw a card.

Wall creatures can attack as though they didn't have defender.

Counter target spell.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying

, : Create a token that's a copy of target creature card in your graveyard, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

: Add .
: Add or . This land deals 1 damage to you.

This land enters tapped unless you control a Mountain or a Forest.
: Add .
, : The next spell you cast this turn can't be countered.

: Add .
: Add one mana of any color. Spend this mana only to cast a legendary spell.
: Add one mana of any color among legendary permanents you control.
, , Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Whenever a player cycles a card, you may pay . If you do, this enchantment deals 2 damage to any target.

Choose up to five worth of modes. You may choose the same mode more than once.
— Put a +1/+1 counter on a creature you control. It gains vigilance and trample until end of turn.
— Choose artifact or enchantment. Destroy all permanents of the chosen type.
— Draw cards equal to the greatest power among creatures you control.

Flying, haste
Whenever Olivia attacks, return target creature card from your graveyard to the battlefield tapped and attacking. It gains "When you don't control a legendary Vampire, exile this creature."

: Add . Activate only if you control five or more lands.

You may have this creature enter as a copy of any creature on the battlefield.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Enchant creature
Enchanted creature has ": Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step."

Enchant player
Whenever enchanted player casts a spell, put a spite counter on this Aura.
When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on this Aura.