(You may pay any amount of mana to pay for {?} when you cast this spell. When you do, each ? and {?} becomes a number equal to the amount you paid for {?} when you cast this spell. ? can't be zero.)

{?}{J/D}, {T}: Add ?? mana of any one color. Spend this mana only to cast legendary spells. ({J/D} can be paid with either {J} or by tapping another legendary permanent you control.)

{?}{N/O}, {T}: Warp ? (Put a +1/+0 counter or a +0/+1 counter on each of up to ? target creatures. You may choose the same creature multiple times. {N/O} can be paid with either {N} or by tapping a common permanent you control.)