If Rest in Peace is destroyed by a spell, Rest in Peace will be exiled and then the spell will be put into its owner's graveyard
Well, in MTG Final Fantasy, summons are represented by saga creatures

Theres 53 different Revised Duals for you to pick and choose from: REVISED Underground Sea - PL, GD Volcanic Island - PL, EX Tropical Island - EX, NM Bayou - PL, LP, EX, NM Badlands - PL, NM Tundra - PL, GD Taiga - PO, PL, EX, NM Savannah - PL, LP, GD, EX Plateau - LP, GD, EX Scrubland - PL, LP High-End Reserved List Before we start with our regulars from the High-End Reserved List, lets quick admire all the beautiful Wheel of Fortunes we got this week from Revised, FBB and FWB: Wheel of Fortune - GD, EX (FBB, German) Wheel of Fortune EX (FWB, German) Wheel of Fortune PL, GD, EX (Revised) Now lets get to our usual suspects: City of Traitors - GD, NM Lion's Eye Diamond - EX Mox Diamond LP, EX, NM Mox Diamond EX (Japanese) Sliver Queen - NM Grim Monolith - GD, NM Serra's Sanctum - EX Gilded Drake - LP, GD MTG Foils and Rarities Our other rarities of the week are a serialized Lazav, Wearer of Faces (NM, Murders at Karlov Manor, 153/300) as well as a Mana Crypt (EX, Harper Prism, Version 1) and Imperial Seal (PL, Traditional Chinese, Portal Three Kingdoms)

ClockworkSwordfish says
One of the most important skills to master in Magic is mana efficiency
Just play any other "opponents can't cast these spells" cards instead, you'll have a much better time