Warhammer 40,000 Commander

All creatures get -1/-1 until end of turn for each Swamp you control.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Rosarius — Whenever this creature attacks, it gains indestructible until end of turn.

Flash Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) When this creature enters, target creature attacks target opponent this turn if able.

Martyrdom — When this creature dies, you gain 2 life and draw two cards. Miracle WB (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

1, T: Add WU.

First strike, vigilance Concealed Position — When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

This land enters tapped. When this land enters, you gain 1 life. T: Add U or R.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) T: Add R or G.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) T: Add U or R.

Destroy all nonartifact creatures.

This land enters tapped. When this land enters, you gain 1 life. T: Add W or U.

Flying, ward 4 Shrieking Gargoyles — Whenever this creature or another Tyranid you control deals combat damage to a player, create a 1/1 blue Tyranid Gargoyle creature token with flying.

Flying Sorcerous Elixir — Whenever this creature deals combat damage to a player, copy the next instant or sorcery spell you cast this turn when you cast it. You may choose new targets for the copy.

Exile target nonland permanent.

Flash Vigilance Aegis of the Emperor — Commanders you control have protection from everything.