Deathtouch, lifelink
Power-up — : Put two +1/+1 counters on Thanos. Choose odd or even. Destroy each other creature with mana value of the chosen quality. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn. Zero is even.)

Creatures you control get +1/+1.
Whenever you tap a land for mana, add one mana of any type that land produced.

+1: Empower Jace X, where X is the number of Islands you control.
−3: Until your next turn, whenever a creature attacks you or a planeswalker you control, it gets -5/-0 until end of turn.
0: Exile all but the bottom card of each opponent's library. Activate only if there are twenty-five or more loyalty counters among Jaces you control.

When one or more of your opponents are dealt combat damage during your turn, draw two cards. If your library has no cards in it, you win the game. Fblthp's owner shuffles him into their library. (If you draw from an empty library this way, you still win the game.)

Exile the top X cards of target opponent's library. You may play those cards this turn. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost.

Equipped creature gets +2/+2 and has protection from white and from black.
Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand.
Equip

: Exile target permanent.
If Legacy Weapon would be put into a graveyard from anywhere, reveal Legacy Weapon and shuffle it into its owner's library instead.

Return target creature card from your graveyard to your hand.

When Winter enters, you may sacrifice a creature or planeswalker. When you do, each opponent sacrifices a creature of their choice.
Winter gets +1/+0 for each creature and planeswalker card in your graveyard.

Spree (Choose one or more additional costs.)
+ — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy.
+ — Change the target of target spell or ability with a single target.

, : Search your library for a Goblin permanent card, put it onto the battlefield, then shuffle.

Defender (This creature can't attack.)
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Destroy all creatures. They can't be regenerated.

Whenever you gain life, target opponent loses that much life.
: Creatures you control gain lifelink until end of turn.

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

: Add X mana of any one color, where X is the number of enchantments you control.

Choose a creature type. Destroy all creatures that aren't of the chosen type.

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

When Hei Bai enters, reveal cards from the top of your library until you reveal a Shrine card. You may put that card onto the battlefield. Then shuffle.
, : For each legendary enchantment you control, create a 1/1 colorless Spirit creature token with "This token can't block or be blocked by non-Spirit creatures."