pokemon legendary dogs cards Entei, Raikou & Suicune (Legendary Dogs) Card Lot - 21 Legendary Dogs : r/pkmntcgcollections

Carpet of FlowersCasting Cost: Card Type: EnchantmentCard Text: At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls

You only have to tap Sidisi, Regent of the Mire

#6 Black Bolt and White Flare Black Bolt Booster Pack SV: Black Bolt Market Value Loading

This can help with resale records, trading references, and collection tracking.

This is easily the weakest recursion in the list, you have to pay five and you have to have a dork to put it on and you can lose that dork and your bonus value fairly easily to removal or trickery