Sliver creatures you control have double strike. (They deal both first-strike and regular combat damage.)

(: Add .)

, : Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When this artifact is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with this artifact but that a mire counter has not been removed from with this artifact.

+2: Ugin deals 3 damage to any target.
−X: Exile each permanent with mana value X or less that's one or more colors.
−10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

Double strike
Master Tactician — Whenever one or more tokens you control enter, draw a card.
Chapter Master — : Create two 2/2 white Astartes Warrior creature tokens with vigilance.

When this creature dies, you may exile it. If you do, search your library for an enchantment card, put that card onto the battlefield, then shuffle.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.

Slivers can't be blocked except by Slivers.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Other Zombie creatures get +1/+1.
, : Return target Zombie card from your graveyard to your hand.

Target player mills three cards.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flying, vigilance, haste
Whenever Aurelia attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Equipped creature gets +5/+5.
Whenever equipped creature deals damage to a creature, exile that creature. (Exile it only if it's still on the battlefield.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

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