Into the Time Vortex (Surge Foil) [Doctor Who] March of the Machine Promos (Only double-faced cards and tokens

(Only double-faced cards and tokens can be transformed

If an ability of a creature you control with power 2 or less triggers

If a creature you control with a +1/+1 counter on it would deal damage to a permanent or player

” —Strider

When Necromancy enters the battlefield

Into the Time Vortex (Surge Foil) [Doctor Who] March of the Machine Promos (Only double-faced cards and tokensSet: Doctor Who Type: Sorcery Rarity: Rare Cost: {4}{R} 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.) Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)