Sacrifice an artifact: This creature deals 1 damage to each creature without flying.

Vivid — : For each color among permanents you control, add one mana of that color.

Indestructible
As long as your devotion to blue is less than five, Thassa isn't a creature.
At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.
: Tap another target creature.

: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

(: Add .)

, : Untap target attacking creature you control. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Enchant creature
When enchanted creature dies, this Aura deals damage equal to that creature's toughness to the creature's controller.

This land enters tapped unless you control a Swamp.
: Add .
, : Draw a card, then you lose life equal to the number of cards in your hand.

: Add .
: Add or . This artifact deals 1 damage to you.

, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.

This land enters tapped unless you control two or more other lands.
: Add or .

+2: Create two 0/1 black Thrull creature tokens.
+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.
−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.
Tevesh Szat, Doom of Fools can be your commander.
Partner

Locke can't be blocked by creatures with greater power.
Mug — Whenever Locke attacks, each player mills a card. If a land card was milled this way, create a Treasure token. Until end of turn, you may cast a spell from among those cards.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

: Add .
: Return target legendary creature to its owner's hand.

(: Add .)

Trample
If you tap a permanent for mana, it produces three times as much of that mana instead.

Whenever you discard a creature card, create a 2/2 black Zombie creature token.
Whenever you discard a land card, add .
Whenever you discard a noncreature, nonland card, draw a card.

Other Treefolk creatures you control get +1/+1.
Other Treefolk and Forests you control have indestructible.