Leyline of Abundance makes your mana-producing creatures even more efficient and has some late-game pump value

Multi-reference notes Attributed to multiple references: [5] [6] [7] [8] [9] [10] [11] [12] [13] Attributed to multiple references: [29] [30] [31] [32] Attributed to multiple references: [33] [34] [35] [36] Attributed to multiple references: [58] [59] [60] [61] Attributed to multiple references: [70] [71] [72] [73] Attributed to multiple references: [6] [192] [208] [209] Attributed to multiple references: [6] [228] [229] [230] Attributed to multiple references: [231] [232] [233] [234] Attributed to multiple references: [247] [248] [249] [250] Attributed to multiple references: [258] [259] [260] [261] Attributed to multiple references: [377] [378] [379] [380] Attributed to multiple references: [428] [429] [430] [431] Attributed to multiple references: [209] [214] [449] [450] Attributed to multiple references: [32] [35] [451] [452] External links in Wiktionary, the free dictionary

Mega Lucario ex Mega Hyper Rare #188/132 Mega Hyper Rare #1 and the single most expensive card in Mega Evolution is the Mega Lucario ex Mega Hyper Rare #188/132, priced at $266.54
Articuno represents legendary bird lovers chance to grab a piece of the Battle Partners set without breaking the bank
Also, you should probably add on to the end: 'You can only activate "Bad Debt Collection" once per Chain.' "Cosmic Twilight Dragon": Given the cost, not too terribly broken, except for the ATK
810 payoffs spread across the drain / counters / alt-win / card-draw buckets so no single removal spell turns you off