Krosan Verge enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.
At the beginning of your upkeep, sacrifice a creature. If you can't, planeswalk. Whenever chaos ensues, any number of target players each create a 2/2 black Zombie creature token.
Target opponent loses 2 life for each Swamp you control. Last Stand deals damage to target creature equal to the number of Mountains you control. Create a 1/1 green Saproling creature token for each Forest you control. You gain 2 life for each Plains you control. Draw a card for each Island you control, then discard that many cards.
Lightning Helix deals 3 damage to any target and you gain 3 life.
Though less well-known than its army of soldiers, the Boros Legion's mage-priests are as respected by the innocent as they are hated by the ghosts of the guilty.
For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.
"What say you, my most trusted advisors? . . . Advisors?" —Edra, merfolk sovereign
Trample, haste When Menacing Ogre enters the battlefield, each player secretly chooses a number. Then those numbers are revealed. Each player with the highest number loses that much life. If you are one of those players, put two +1/+1 counters on Menacing Ogre.
Whenever a player casts a spell, that player may draw a card. Whenever chaos ensues, each player may return a blue card from their graveyard to their hand.
Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell. Whenever chaos ensues, target player reveals the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.