Golgari Grave-Troll enters with a +1/+1 counter on it for each creature card in your graveyard., Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll.Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)
Return up to three target land cards from your graveyard to your hand.Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)
: Add .When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.
Enchant creature with another Aura attached to itEnchanted creature gets +3/+3 and has first strike, vigilance, and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)
FlyingExalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)Other creatures you control have exalted. (If a creature has multiple instances of exalted, each triggers separately.)
Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.), Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.
Dark Depths enters with ten ice counters on it.: Remove an ice counter from Dark Depths.When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.