: Add ., : Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.
Krosan Verge enters tapped.: Add ., , Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.
: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.), Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness.
First strikeWhenever Alesha, Who Smiles at Death attacks, you may pay . If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.
When Coiling Oracle enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.
When Myr Battlesphere enters, create four 1/1 colorless Myr artifact creature tokens.Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.
Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.
As Citadel Siege enters, choose Khans or Dragons.• Khans — At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.• Dragons — At the beginning of combat on each opponent's turn, tap target creature that player controls.
Exile up to two target artifacts and/or enchantments.Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
Creatures with power less than Den Protector's power can't block it.Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)When Den Protector is turned face up, return target card from your graveyard to your hand.
Create a token that's a copy of target creature.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
