M:tG card similarity search
2R · Creature — Donkey Barbarian
At the beginning of your upkeep, flip a coin. If you lose the flip, target opponent chooses whether Dumb Ass attacks this turn. 3.5/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Growing Ranks | 2G/WG/W | Enchantment | At the beginning of your upkeep, populate. (Create a token that's a copy of a creature token you control.) | 
| Baleful Force | 5BBB | Creature — Elemental | At the beginning of each upkeep, you draw a card and you lose 1 life. 7/7 | 
| Half-Shark, Half- | Creature — Shark | At the beginning of your upkeep, Augment {5}{U} ({5}{U}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.) +3/+3 | |
| Gibbering Descent | 4BB | Enchantment | At the beginning of each player's upkeep, that player loses 1 life and discards a card. Hellbent — Skip your upkeep step if you have no cards in hand. Madness {2}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) | 
| Karplusan Minotaur | 2RR | Creature — Minotaur Warrior | Cumulative upkeep—Flip a coin. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever you win a coin flip, Karplusan Minotaur deals 1 damage to any target. Whenever you lose a coin flip, Karplusan Minotaur deals 1 damage to any target of an opponent's choice. 3/3 | 
| Crazed Firecat | 5RR | Creature — Elemental Cat | When Crazed Firecat enters the battlefield, flip a coin until you lose a flip. Put a +1/+1 counter on Crazed Firecat for each flip you won. 4/4 | 
| Near-Death Experience | 2WWW | Enchantment | At the beginning of your upkeep, if you have exactly 1 life, you win the game. | 
| Mana Clash | R | Sorcery | You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip. | 
| Pandora's Box | 5 | Artifact | {3}, {T}: Choose a random summon card from all players' decks. For each player, flip a coin. If the flip ends up heads, put a token creature into play and treat it as though an exact copy of the chosen summon card were just played. | 
| Uktabi Efreet | 2GG | Creature — Efreet | Cumulative upkeep {G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 5/4 |