At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.) Whenever a creature you own but don't control attacks, you draw a card.

Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.

Flying Your maximum hand size is reduced by three.

Whenever another creature enters, you lose 1 life.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever this creature attacks, you lose half your life, rounded up. Whenever this creature deals combat damage to a player, that player loses half their life, rounded up. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) At the beginning of your upkeep, you get a poison counter.

Each land is a Swamp in addition to its other land types.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)

Cumulative upkeep—Sacrifice a creature. (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.)

Search your library for a card, then shuffle and put that card on top. You lose 2 life.