Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power., : Add X mana in any combination of colors, where X is the greatest power among creatures you control.
You may have Spark Double enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.
Enchant creatureEnchanted creature gets +1/+1, has deathtouch, and is goaded.When enchanted creature dies, return Ghoulish Impetus to the battlefield at the beginning of the next end step.
Sliver creatures you control have afflict 2. (Whenever a creature with afflict 2 becomes blocked, defending player loses 2 life.)Whenever a nontoken Sliver you control dies, amass Slivers 2. (Put two +1/+1 counters on an Army you control. It's also a Sliver. If you don't control an Army, create a 0/0 black Sliver Army creature token first.)
Constellation — Whenever an enchantment you control enters, you may put a land card from your hand onto the battlefield tapped. If you control six or more enchantments, instead you may put a creature or land card from your hand onto the battlefield tapped.
Imprint — When Extraplanar Lens enters, you may exile target land you control.Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.
