if i myr welder a prototype portal can i pay x and tap the myr to make a copy of any card it exiled?

Magic the Drinking Game rules

here are the rules for MtDG: 1.at the beginning of each players turn that player takes a drink. 2.whenever a permanent you control is placed in a graveyard from play, drink. 3. whenever a spell you play is countered, drink. if the countered spells caster attempts to counter the counter, the loser of the counter battle must drink for a number of seconds for each counterspell that went on the stack. 4. whenever a player "loses life" that player must drink for a number of seconds equal to amount of life lost. (a) if a player would gain life, that player may make another player drink for a number of seconds equal to amount of life gained. 5. if a player puts a card from their library into their graveyard that player drinks for a number of seconds equal to the number of cards placed in graveyard. 6.if a player would discard a card that player drinks for a number of seconds equal to cards discarded. 7. on any coinflip the loser must drink. 8. at the end of each game all players must finish their drink. 9. loser must fetch all drinks/refills for the next game. if playing multiplayer use a**hole heirarchy(president,vp,secretary,treasurer,a**hole) 10. a player who wins 3 consecutive matches may add a "world effect" that affects all players and can not be removed without winning 3 consecutive matches and negating effect. multiple effects stack i.e if person wins 3 games then wins another 3 games both effects that player created stack. 11. ALL cards are legal, including ante cards.

Modern scapeshift

4 x axebane guardian

4 x birds of paradise

4 x forest

4 x inferno titan

1 x kessig wolf run

4 x lightning bolt

4 x lightning strike

7 x mountain

4 x overgrown battlement

4 x primeval titan

4 x prismatic omen

2 x rootbound crag

4 x scapeshift

4 x search for tomorrow

4 x stomping ground

2 x valakut, the molten pinnacle

4 x axebane guardian

4 x birds of paradise

4 x forest

4 x inferno titan

1 x kessig wolf run

4 x lightning bolt

4 x lightning strike

7 x mountain

4 x overgrown battlement

4 x primeval titan

4 x prismatic omen

2 x rootbound crag

4 x scapeshift

4 x search for tomorrow

4 x stomping ground

2 x valakut, the molten pinnacle

Modern EldraziTron

[deck]

2x all is dust

1x blightsteel colossus

4x blinkmoth nexus

4x chromatic sphere

4x chromatic star

4x eldrazi conscription

1x emrakul, the aeons torn

4x expedition map

1x eye of ugin

4x inkmoth nexus

3x karn, liberated

1x kozilek, butcher of truth

2x mana confluence

2x oblivion stone

4x proteus staff

4x relic of progenitus

1x ulamog, the infinite gyre

4x urza's mine

4x urza's power plant

4x urza's tower

2x wurmcoil engine

[/deck]