You may have Dack's Duplicate enter as a copy of any creature on the battlefield, except it has haste and dethrone. (Whenever it attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
( can be paid with either or .)Other green creatures you control get +1/+1.Other white creatures you control get +1/+1.If a spell or ability an opponent controls causes you to discard this card, put it onto the battlefield instead of putting it into your graveyard.
Haste (This creature can attack and as soon as it comes under your control.)Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)
Flash (You may cast this spell any time you could cast an instant.)When Venser, Shaper Savant enters, return target spell or permanent to its owner's hand.
Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs.
Ghave, Guru of Spores enters with five +1/+1 counters on it., Remove a +1/+1 counter from a creature you control: Create a 1/1 green Saproling creature token., Sacrifice a creature: Put a +1/+1 counter on target creature.
As The Mimeoplasm enters, you may exile two creature cards from graveyards. If you do, it enters as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card.
HasteWhenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.Sacrifice another creature: Yahenni gains indestructible until end of turn.
Converge — Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.
Red creatures you control get +1/+0.White creatures you control get +0/+1., Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.
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.