While these two Slivers are the first to spike, its unlikely theyll be the only ones
Add the remaining card to your hand
The ultimate MTG Doctor Who chase cards are the double rainbow foil serialized Doctors with the TARDIS showcase treatment , found only in collector booster packs

Multi-reference notes Attributed to multiple references: [5] [6] [7] [8] [9] [10] [11] [12] [13] Attributed to multiple references: [29] [30] [31] [32] Attributed to multiple references: [33] [34] [35] [36] Attributed to multiple references: [58] [59] [60] [61] Attributed to multiple references: [70] [71] [72] [73] Attributed to multiple references: [6] [192] [208] [209] Attributed to multiple references: [6] [228] [229] [230] Attributed to multiple references: [231] [232] [233] [234] Attributed to multiple references: [247] [248] [249] [250] Attributed to multiple references: [258] [259] [260] [261] Attributed to multiple references: [377] [378] [379] [380] Attributed to multiple references: [428] [429] [430] [431] Attributed to multiple references: [209] [214] [449] [450] Attributed to multiple references: [32] [35] [451] [452] External links in Wiktionary, the free dictionary
Afterward, everyone has to do the same thing with creatures and cards in hand
Yes, it ends up costing four for two cards, which is more than the Quick Study, but the reduced cost of the front half provides a smoother early game experience to help us hit our land drops and find timely removal