When Malik, Grim Manipulator enters, you and target opponent each secretly choose a creature that player controls. Then those choices are revealed, and that player sacrifices those creatures.
Whenever an opponent sacrifices a creature, you create a Treasure token.

: Add .
, : Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Green spells you cast cost less to cast.

You have no maximum hand size.
: Add .

Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay .
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Changeling (This card is every creature type.)
: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Take an extra turn after this one. Exile Temporal Mastery.
Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

Trample
Heedless One's power and toughness are each equal to the number of Elves on the battlefield.

Search your library for a sorcery card, reveal it, then shuffle and put that card on top.

Search your library for a sorcery card, reveal it, then shuffle and put that card on top.

: Add or .

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.
+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.
−3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.
−8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

: Add .

Lifelink
Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.
When Enduring Innocence dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Counter target spell unless its controller pays .

As this enchantment enters, choose a creature type.
Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

(: Add .)

As an additional cost to cast this spell, pay X life.
All creatures get -X/-X until end of turn.

Choose target creature card in a graveyard that was put there from the battlefield this turn. Put that card onto the battlefield under your control.