You already had to have four for the flip, and unless you lose any of them, the flip will give you at least a 4/4
A Radiant Gardevoir or Tsareena can be stacked as well, either reducing the damage from Pokmon V or healing the player's board each turn
Despite these strengths, however, it seems unlikely that Buster Sword will see much competitive play
Card Name Mana Cost Type Legendary Artifact Equipment Rarity Rare rules Text Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library
The keyword ignores the effects of Deathtouch, as even lethal damage can't destroy an Indestructible creature
In any case, these one-use flicker cards almost never do anything else to impact the game, so increasing their density to have access to them all the time is filling your deck up with situationally-useless cards