Whenever you activate an ability of an artifact, if it isn't a mana ability, you may pay . If you do, copy that ability. You may choose new targets for the copy.
, , Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.
When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library.Genesis Hydra enters with X +1/+1 counters on it.
Flying (This creature can't be blocked except by creatures with flying or reach.)When Aegis Angel enters, another target permanent gains indestructible for as long as you control Aegis Angel. (Effects that say "destroy" don't destroy it. A creature with indestructible can't be destroyed by damage.)
Jorubai Murk Lurker gets +1/+1 as long as you control a Swamp.: Target creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)
: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Other green creatures you control get +1/+1., : Another target green creature you control gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Flying: Draw a card for each color among permanents you control., Exile Soul of Ravnica from your graveyard: Draw a card for each color among permanents you control.
Kalonian Twingrove's power and toughness are each equal to the number of Forests you control.When Kalonian Twingrove enters, create a green Treefolk Warrior creature token with "This creature's power and toughness are each equal to the number of Forests you control."
