, Sacrifice a creature: Target creature gets +2/+2 until end of turn. Another target creature gets -2/-2 until end of turn.

Whenever another creature you control enters, you gain 1 life.

Jenova Cells — Whenever Sephiroth attacks, you may put a cell counter on target creature. Until end of turn, each modified creature you control has base power and toughness 7/5. (Equipment, Auras you control, and counters are modifications.)
The Reunion — , Sacrifice a modified creature: Return this card from your graveyard to the battlefield tapped.

Flying
: This creature gets +1/+0 until end of turn. Activate no more than twice each turn.

This land enters tapped.
: Add or .

Up to two target creatures each get +1/+0 and gain first strike until end of turn. (They deal combat damage before creatures without first strike.)

: This creature gets +1/+1 until end of turn.

As this creature enters, choose a color.
All Slivers have protection from the chosen color.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

This land enters tapped unless you control a Mountain or a Plains.
: Add or .

Target creature gets +3/+3 and gains trample until end of turn.

At the beginning of your end step, if you gained 3 or more life this turn, create a 2/2 white Griffin creature token with flying.

Exile target artifact or enchantment.

Support 2. (Put a +1/+1 counter on each of up to two target creatures.)
Untap each creature you control with a +1/+1 counter on it.

Exile target creature. Incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Target opponent reveals their hand. You choose a card from it with mana value 3 or greater. That player discards that card.

, : Put a -1/-1 counter on target creature.

Destroy target artifact or enchantment.

Vigilance
Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

(Start the game with this conspiracy face up in the command zone.)
The first creature spell you cast each turn costs less to cast.
You can't cast instant or sorcery spells.