Cadira, Caller of the Small + Doubling Season + Trostani, Selesnya's Voice Infinite ETB, infinite lifegain, infinite lifegain triggers, infinite LTB, infinite sacrifice triggers, infinite death triggers, infinite creature tokens, infinite storm count Archfiend of Depravity + Archfiend of Despair Infinite sacrifice triggers for opponent's creatures over turns, Infinite amplified life loss for opponents over turns, Opponents lose the game Archfiend of Depravity + Archfiend of Despair (Denial Lock) Recurring board wipe for opponents, recurring life loss for opponents, severe board control, opponents cannot gain life Knight-Errant of Eos's Deep Search & Board Fill Put up to four creature cards from the top of your library into your hand, enabling a powerful board presence or assembling a non-infinite combo
You also hit lands from your opponents (like big-mana and utility lands)
This also led to the promotional Pikachu trading card for the Pokemon offshoot
This spell has very good modes to use beyond card draw which makes this a favorite for many decks
Most of the time, good ol' Counterspell gets the job done with less problems
Spend your cards and Quantum Riddler turns into a bunch of extra cards
