+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.
+1: Each opponent exiles two cards from their hand.
−4: Nicol Bolas deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.
−12: Exile each nonland permanent your opponents control.

Choose a color. Target player reveals their hand and discards all cards of that color.

Flying
As long as this creature is untapped, creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures.
As long as this creature is attacking, creatures can't block unless their controller pays for each of those creatures.

, , Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this token dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery.
Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

This creature enters with eight revival counters on it if you cast it.
When this creature dies, if it had a revival counter on it, return it to the battlefield with one fewer revival counter on it at the beginning of the next end step.

Exile target nonland permanent. You lose 3 life.

: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)
: Gain control of target artifact. (This effect lasts indefinitely.)

Target creature gains flying until end of turn.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature of their choice.
Whenever you sacrifice a green creature, you may gain 2 life.

: Add .

When this creature enters, add .

: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Whenever you gain life, target opponent loses that much life.

Reach, trample
This creature can't attack or block unless its power is 6 or greater.
, Sacrifice another artifact: Draw a card. Put a +1/+1 counter on this creature.

: Add .

: Return two target cards from an opponent's graveyard to their hand. Destroy target artifact or enchantment.

Equipped creature has vigilance.
Whenever another artifact or creature is put into a graveyard from the battlefield, put a +1/+1 counter on equipped creature.
Equip

Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar.
, : Double the number of time counters on The Millennium Calendar.
When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Whenever an opponent casts a spell during your turn and when this creature dies, create a green and white Elemental creature token with "This token's power and toughness are each equal to the number of creatures you control."