Blue Mana Battery

, : Put a charge counter on Blue Mana Battery.
, Remove any number of charge counters from Blue Mana Battery: Add , then add an additional for each charge counter removed this way.

Urza’s Avenger

: Urza’s Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Dragon Whelp

Flying
: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Time Elemental

When Time Elemental attacks or blocks, at end of combat, sacrifice it and it deals 5 damage to you.
, : Return target permanent that isn’t enchanted to its owner’s hand.

Coral Helm

, Discard a card at random: Target creature gets +2/+2 until end of turn.

Conservator

, : Prevent the next 2 damage that would be dealt to you this turn.

Urza’s Avenger

: Urza’s Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Lifelace

Target spell or permanent becomes green. (Mana symbols on that permanent remain unchanged.)

Mishra’s War Machine

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)
At the beginning of your upkeep, Mishra’s War Machine deals 3 damage to you unless you discard a card. If Mishra’s War Machine deals damage to you this way, tap it.

Conservator

, : Prevent the next 2 damage that would be dealt to you this turn.

Armageddon Clock

At the beginning of your upkeep, put a doom counter on Armageddon Clock.
At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.
: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Ankh of Mishra

Whenever a land enters the battlefield, Ankh of Mishra deals 2 damage to that land’s controller.

Crystal Rod

Whenever a player casts a blue spell, you may pay . If you do, you gain 1 life.

Mishra’s War Machine

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)
At the beginning of your upkeep, Mishra’s War Machine deals 3 damage to you unless you discard a card. If Mishra’s War Machine deals damage to you this way, tap it.

Lifelace

Target spell or permanent becomes green. (Mana symbols on that permanent remain unchanged.)

Coral Helm

, Discard a card at random: Target creature gets +2/+2 until end of turn.

Armageddon Clock

At the beginning of your upkeep, put a doom counter on Armageddon Clock.
At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player.
: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.

Disenchant

Destroy target artifact or enchantment.