Flying When Aarakocra Sneak enters the battlefield, you take the initiative.

Exile Simian Spirit Guide from your hand: Add {R}.

Menace (This creature can't be blocked except by two or more creatures.) When Underdark Explorer enters the battlefield, you take the initiative.

Draw three cards, then put two cards from your hand on top of your library in any order.

Add {B}{B}{B}.

Replicate {U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Counter target spell unless its controller pays {2}.

Return target creature to its owner's hand. Untap up to two lands.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

({T}: Add {U}.)

Peat Bog enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Peat Bog: Add {B}{B}. If there are no depletion counters on Peat Bog, sacrifice it.

Saprazzan Skerry enters the battlefield tapped with two depletion counters on it. {T}, Remove a depletion counter from Saprazzan Skerry: Add {U}{U}. If there are no depletion counters on Saprazzan Skerry, sacrifice it.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

Creatures target player controls get -2/-2 until end of turn.

Choose one — • Counter target red spell. • Destroy target red permanent.

Counter target instant spell.

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

{T}: Target player exiles a card from their graveyard. {1}, Exile Relic of Progenitus: Exile all graveyards. Draw a card.