mtg opponent draws card Make your Draw their entire Library with this Combo target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1 MTG Outlaws of Thunder Junction

Contents: 30 Tarkir: Dragonstorm Play Boosters

you can do much better for actual mana doubling

Any existing effects or counters that raise, lower, or switch a creature's power and/or toughness continue to apply to the creature's new base power or toughness

Let's start with the one I made for my brother: Base Five-Color Mana Base | Commander | Kendra Smith Lands (41) 1 Forest 1 Island 1 Mountain 1 Plains 1 Swamp 1 Ancient Ziggurat 1 Barkchannel Pathway // Tidechannel Pathway 1 Blightstep Pathway // Searstep Pathway 1 Branchloft Pathway // Boulderloft Pathway 1 Brightclimb Pathway // Grimclimb Pathway 1 Canyon Slough 1 Clearwater Pathway // Murkwater Pathway 1 Clifftop Retreat 1 Command Tower 1 Cragcrown Pathway // Timbercrown Pathway 1 Darkbore Pathway // Slitherbore Pathway 1 Dragonskull Summit 1 Drowned Catacomb 1 Exotic Orchard 1 Fetid Pools 1 Glacial Fortress 1 Haven of the Spirit Dragon 1 Hengegate Pathway // Mistgate Pathway 1 Hinterland Harbor 1 Indatha Triome 1 Irrigated Farmland 1 Isolated Chapel 1 Ketria Triome 1 Needleverge Pathway // Pillarverge Pathway 1 Path of Ancestry 1 Raugrin Triome 1 Riverglide Pathway 1 Rootbound Crag 1 Savai Triome 1 Scattered Groves 1 Sheltered Thicket 1 Sulfur Falls 1 Sunpetal Grove 1 Unclaimed Territory 1 Woodland Cemetery 1 Zagoth Triome This was supposed to be a solid launching point for a more tribal deck, which is why you see cards like Unclaimed Territory, Path of Ancestry, and Haven of the Spirit Dragon in the mix

It has trample for starters, meaning Commander damage is on the table