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

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, : 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.

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.

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

Trample, haste
Whenever this creature deals combat damage to a player, draw two cards.
At the beginning of the end step, sacrifice this creature.

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

, 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.

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.)

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature enters with a +1/+1 counter on it.
Landfall — Whenever a land you control enters, double the number of +1/+1 counters on this creature.

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.)

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.

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