Possession Engine

Exhaust — XUU, T: Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)

Flash You may have this creature enter as a copy of an artifact or creature you control. Cycling 2 (2, Discard this card: Draw a card.)

This creature can't block. This creature has haste as long as an opponent has 10 or less life. Landfall — Whenever a land you control enters, you may return this card from your graveyard to the battlefield.

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) This creature enters tapped. Max speed — B, Sacrifice another creature or Vehicle: Draw a card.

First strike, trample When this creature enters, you may search your library for up to two artifact, creature, and/or enchantment cards with mana value 1 or less, reveal them, put them into your hand, then shuffle.

Menace, deathtouch When this creature enters, put target creature card with mana value 4 or less from a graveyard onto the battlefield under your control with a finality counter on it. That creature gains menace, deathtouch, and haste. At the beginning of your next end step, exile that creature.

Menace, lifelink, indestructible Ketramose can't attack or block unless there are seven or more cards in exile. Whenever one or more cards are put into exile from graveyards and/or the battlefield during your turn, you draw a card and lose 1 life.

Lifelink, ward 1 When this creature enters, look at target player's hand. You may choose a card from it. If you do, that player discards that card, then draws a card.